diff --git a/python/PyQt6/gui/auto_generated/qgsextentwidget.sip.in b/python/PyQt6/gui/auto_generated/qgsextentwidget.sip.in
index f1616ef996f..3b8307c421e 100644
--- a/python/PyQt6/gui/auto_generated/qgsextentwidget.sip.in
+++ b/python/PyQt6/gui/auto_generated/qgsextentwidget.sip.in
@@ -238,6 +238,8 @@ to permit access to the map canvas)
 
     virtual void dropEvent( QDropEvent *event );
 
+    virtual void showEvent( QShowEvent *event );
+
 
 };
 
diff --git a/python/gui/auto_generated/qgsextentwidget.sip.in b/python/gui/auto_generated/qgsextentwidget.sip.in
index 567d4834bc3..b3fbeb14e68 100644
--- a/python/gui/auto_generated/qgsextentwidget.sip.in
+++ b/python/gui/auto_generated/qgsextentwidget.sip.in
@@ -238,6 +238,8 @@ to permit access to the map canvas)
 
     virtual void dropEvent( QDropEvent *event );
 
+    virtual void showEvent( QShowEvent *event );
+
 
 };
 
diff --git a/src/gui/qgsextentwidget.cpp b/src/gui/qgsextentwidget.cpp
index 3b18a3a637b..a058543f527 100644
--- a/src/gui/qgsextentwidget.cpp
+++ b/src/gui/qgsextentwidget.cpp
@@ -585,8 +585,7 @@ void QgsExtentWidget::setMapCanvas( QgsMapCanvas *canvas, bool drawOnCanvasOptio
     mCurrentExtentButton->setVisible( true );
 
     mUseCanvasExtentAction->setVisible( true );
-    if ( drawOnCanvasOption )
-      mDrawOnCanvasAction->setVisible( true );
+    mDrawOnCanvasAction->setVisible( drawOnCanvasOption && !mBlockDrawOnCanvas );
 
     mCondensedToolButton->setToolTip( tr( "Set to current map canvas extent" ) );
     mCondensedToolButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionMapIdentification.svg" ) ) );
@@ -667,3 +666,20 @@ void QgsExtentWidget::dropEvent( QDropEvent *event )
   mCondensedLineEdit->setHighlighted( false );
   update();
 }
+
+void QgsExtentWidget::showEvent( QShowEvent * )
+{
+  if ( mFirstShow )
+  {
+    // we don't support select on canvas if the dialog is modal
+    if ( QWidget *parentWindow = window() )
+    {
+      if ( parentWindow->isModal() )
+      {
+        mBlockDrawOnCanvas = true;
+        mDrawOnCanvasAction->setVisible( false );
+      }
+    }
+    mFirstShow = false;
+  }
+}
diff --git a/src/gui/qgsextentwidget.h b/src/gui/qgsextentwidget.h
index fcd3abf5929..ea6615d10ab 100644
--- a/src/gui/qgsextentwidget.h
+++ b/src/gui/qgsextentwidget.h
@@ -241,6 +241,7 @@ class GUI_EXPORT QgsExtentWidget : public QWidget, private Ui::QgsExtentGroupBox
     void dragEnterEvent( QDragEnterEvent *event ) override;
     void dragLeaveEvent( QDragLeaveEvent *event ) override;
     void dropEvent( QDropEvent *event ) override;
+    void showEvent( QShowEvent *event ) override;
 
   private slots:
 
@@ -292,6 +293,10 @@ class GUI_EXPORT QgsExtentWidget : public QWidget, private Ui::QgsExtentGroupBox
     bool mHasFixedOutputCrs = false;
 
     QRegularExpression mCondensedRe;
+
+    bool mFirstShow = true;
+    bool mBlockDrawOnCanvas = false;
+
     void setValid( bool valid );
 
     void setExtentToLayerExtent( const QString &layerId );