diff --git a/src/gui/ogr/qgsgdalguiutils.cpp b/src/gui/ogr/qgsgdalguiutils.cpp
index d5a097cbc7e..5a5ef2ffab9 100644
--- a/src/gui/ogr/qgsgdalguiutils.cpp
+++ b/src/gui/ogr/qgsgdalguiutils.cpp
@@ -222,16 +222,20 @@ QString QgsGdalGuiUtils::createDatabaseURI( const QString &connectionType, const
 
 QString QgsGdalGuiUtils::createProtocolURI( const QString &type, const QString &url, const QString &configId, const QString &username, const QString &password, bool expandAuthConfig )
 {
-  QString uri;
+  QString uri = url;
+  QString prefix;
   if ( type == QLatin1String( "vsicurl" ) )
   {
-    uri = url;
-    // If no protocol is provided in the URL, default to HTTP
-    if ( !uri.startsWith( "http://" ) && !uri.startsWith( "https://" ) && !uri.startsWith( "ftp://" ) )
+    prefix = QStringLiteral( "/vsicurl/" );
+    if ( !uri.startsWith( prefix ) )
     {
-      uri.prepend( QStringLiteral( "http://" ) );
+      // If no protocol is provided in the URL, default to HTTP
+      if ( !uri.startsWith( QLatin1String( "http://" ) ) && !uri.startsWith( QLatin1String( "https://" ) ) && !uri.startsWith( QLatin1String( "ftp://" ) ) )
+      {
+        uri.prepend( QStringLiteral( "http://" ) );
+      }
+      uri.prepend( prefix );
     }
-    uri.prepend( QStringLiteral( "/vsicurl/" ) );
   }
   else if ( type == QLatin1String( "vsis3" )
             || type == QLatin1String( "vsigs" )
@@ -241,25 +245,40 @@ QString QgsGdalGuiUtils::createProtocolURI( const QString &type, const QString &
             || type == QLatin1String( "vsiswift" )
             || type == QLatin1String( "vsihdfs" ) )
   {
-    uri = url;
-    uri.prepend( QStringLiteral( "/%1/" ).arg( type ) );
+    prefix = QStringLiteral( "/%1/" ).arg( type );
+    if ( !uri.startsWith( prefix ) )
+    {
+      uri.prepend( prefix );
+    }
   }
   // catching both GeoJSON and GeoJSONSeq
   else if ( type.startsWith( QLatin1String( "GeoJSON" ) ) )
   {
-    uri = url;
+    // no change needed for now
   }
   else if ( type == QLatin1String( "CouchDB" ) )
   {
-    uri = QStringLiteral( "couchdb:%1" ).arg( url );
+    prefix = QStringLiteral( "couchdb:" );
+    if ( !uri.startsWith( prefix ) )
+    {
+      uri.prepend( prefix );
+    }
   }
   else if ( type == QLatin1String( "DODS/OPeNDAP" ) )
   {
-    uri = QStringLiteral( "DODS:%1" ).arg( url );
+    prefix = QStringLiteral( "DODS:" );
+    if ( !uri.startsWith( prefix ) )
+    {
+      uri.prepend( prefix );
+    }
   }
   else if ( type == QLatin1String( "WFS3" ) )
   {
-    uri = QStringLiteral( "WFS3:%1" ).arg( url );
+    prefix = QStringLiteral( "WFS3:" );
+    if ( !uri.startsWith( prefix ) )
+    {
+      uri.prepend( prefix );
+    }
   }
   QgsDebugMsgLevel( "Connection type is=" + type + " and uri=" + uri, 2 );
   // Update URI with authentication information
diff --git a/tests/src/gui/CMakeLists.txt b/tests/src/gui/CMakeLists.txt
index d995d0213d6..8fb6cdf80bf 100644
--- a/tests/src/gui/CMakeLists.txt
+++ b/tests/src/gui/CMakeLists.txt
@@ -47,6 +47,7 @@ set(TESTS
   testqgsmessagebar.cpp
   testprojectionissues.cpp
   testqgsgui.cpp
+  testqgsgdalguiutils.cpp
   testprocessinggui.cpp
   testqgsprocessingmodel.cpp
   testqgsrubberband.cpp
diff --git a/tests/src/gui/testqgsgdalguiutils.cpp b/tests/src/gui/testqgsgdalguiutils.cpp
new file mode 100644
index 00000000000..8e19aee29b1
--- /dev/null
+++ b/tests/src/gui/testqgsgdalguiutils.cpp
@@ -0,0 +1,231 @@
+/***************************************************************************
+    testqgsgdalguiutils.cpp
+     --------------------------------------
+    Date                 : 12.11.2024
+    Copyright            : (C) 2024 Abdullaev Ruslan
+    Email                : caboose7 at yandex dot com
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "qgstest.h"
+#include "qgsgdalguiutils.h"
+#include "qgsapplication.h"
+
+class TestQgsGdalGuiUtils : public QObject
+{
+    Q_OBJECT
+
+  public:
+    TestQgsGdalGuiUtils();
+
+  private slots:
+    void initTestCase();
+    void cleanupTestCase();
+
+    void checkUriBuilding();
+};
+
+TestQgsGdalGuiUtils::TestQgsGdalGuiUtils()
+  : QObject()
+{
+}
+
+void TestQgsGdalGuiUtils::initTestCase()
+{
+  QgsApplication::init();
+  QgsApplication::initQgis();
+}
+
+void TestQgsGdalGuiUtils::checkUriBuilding()
+{
+  // Test vsicurl: no protocol -> should default to http
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "www.test.com" ), QString(), QString(), QString(), false );
+    QString expected( "/vsicurl/http://www.test.com" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsicurl: with http already specified
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "http://www.test.com" ), QString(), QString(), QString(), false );
+    // Already has protocol, just add prefix
+    QString expected( "/vsicurl/http://www.test.com" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsicurl: with https
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "https://data.test.com/path" ), QString(), QString(), QString(), false );
+    QString expected( "/vsicurl/https://data.test.com/path" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsicurl: with ftp
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "ftp://files.test.com" ), QString(), QString(), QString(), false );
+    QString expected( "/vsicurl/ftp://files.test.com" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsicurl: prefix already included
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "/vsicurl/http://already.prefixed.com" ), QString(), QString(), QString(), false );
+    // No change expected
+    QString expected( "/vsicurl/http://already.prefixed.com" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsis3: no prefix yet
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsis3" ), QLatin1String( "bucket/key" ), QString(), QString(), QString(), false );
+    QString expected( "/vsis3/bucket/key" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsis3: prefix already included
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsis3" ), QLatin1String( "/vsis3/mydata" ), QString(), QString(), QString(), false );
+    QString expected( "/vsis3/mydata" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsigs
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsigs" ), QLatin1String( "gs://mybucket/data" ), QString(), QString(), QString(), false );
+    // Even if gs:// is specified, code only prepends /vsigs/ if not present
+    QString expected( "/vsigs/gs://mybucket/data" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsiaz
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsiaz" ), QLatin1String( "mycontainer/myfile" ), QString(), QString(), QString(), false );
+    QString expected( "/vsiaz/mycontainer/myfile" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsiadls
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsiadls" ), QLatin1String( "adls_path" ), QString(), QString(), QString(), false );
+    QString expected( "/vsiadls/adls_path" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsioss
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsioss" ), QLatin1String( "my_oss_bucket/file" ), QString(), QString(), QString(), false );
+    QString expected( "/vsioss/my_oss_bucket/file" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsiswift
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsiswift" ), QLatin1String( "swift_container/object" ), QString(), QString(), QString(), false );
+    QString expected( "/vsiswift/swift_container/object" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test vsihdfs
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsihdfs" ), QLatin1String( "hdfs_path" ), QString(), QString(), QString(), false );
+    QString expected( "/vsihdfs/hdfs_path" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test GeoJSON
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "GeoJSON" ), QLatin1String( "file.json" ), QString(), QString(), QString(), false );
+    // No prefix changes for GeoJSON
+    QString expected( "file.json" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test GeoJSONSeq
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "GeoJSONSeq" ), QLatin1String( "seq_file.json" ), QString(), QString(), QString(), false );
+    // No prefix changes for GeoJSONSeq
+    QString expected( "seq_file.json" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test CouchDB: no prefix yet
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "CouchDB" ), QLatin1String( "localhost:5984/db" ), QString(), QString(), QString(), false );
+    QString expected( "couchdb:localhost:5984/db" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test CouchDB: prefix already included
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "CouchDB" ), QLatin1String( "couchdb:localhost:5984/db" ), QString(), QString(), QString(), false );
+    QString expected( "couchdb:localhost:5984/db" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test DODS/OPeNDAP: no prefix
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "DODS/OPeNDAP" ), QLatin1String( "http://opendap.data" ), QString(), QString(), QString(), false );
+    QString expected( "DODS:http://opendap.data" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test DODS/OPeNDAP: prefix already included
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "DODS/OPeNDAP" ), QLatin1String( "DODS:http://opendap.data" ), QString(), QString(), QString(), false );
+    QString expected( "DODS:http://opendap.data" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test WFS3: no prefix
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "WFS3" ), QLatin1String( "https://mywfs3.org" ), QString(), QString(), QString(), false );
+    QString expected( "WFS3:https://mywfs3.org" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test WFS3: prefix already
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "WFS3" ), QLatin1String( "WFS3:https://mywfs3.org" ), QString(), QString(), QString(), false );
+    QString expected( "WFS3:https://mywfs3.org" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test with configId and expandAuthConfig = false
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "mydata.com" ), QLatin1String( "myconfig" ), QString(), QString(), false );
+    // Should prepend prefix and protocol
+    QString expected( "/vsicurl/http://mydata.com authcfg='myconfig'" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test with configId and no username/password, expandAuthConfig = true
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "CouchDB" ), QLatin1String( "mydb" ), QLatin1String( "ab34567" ), QString(), QString(), true );
+    // Prefix is added, then authcfg updated. If no real auth expansion, it remains as is.
+    // Actual code tries to expand, if fails, it returns with authcfg.
+    QString expected( "couchdb:mydb" );
+    QCOMPARE( actual, expected );
+  }
+
+  // Test with username/password and no configId
+  {
+    QString actual = QgsGdalGuiUtils::createProtocolURI( QLatin1String( "vsicurl" ), QLatin1String( "https://securedata.com" ), QString(), QLatin1String( "user" ), QLatin1String( "pass" ), false );
+    // Insert credentials into the URI after "://"
+    QString expected( "/vsicurl/https://user:pass@securedata.com" );
+    QCOMPARE( actual, expected );
+  }
+}
+
+void TestQgsGdalGuiUtils::cleanupTestCase()
+{
+  QgsApplication::exitQgis();
+}
+
+QGSTEST_MAIN( TestQgsGdalGuiUtils )
+#include "testqgsgdalguiutils.moc"