diff --git a/python/gui/qgsrasterformatsaveoptionswidget.sip b/python/gui/qgsrasterformatsaveoptionswidget.sip
index 25cad0007bb..dcd372a64db 100644
--- a/python/gui/qgsrasterformatsaveoptionswidget.sip
+++ b/python/gui/qgsrasterformatsaveoptionswidget.sip
@@ -50,7 +50,8 @@ class QgsRasterFormatSaveOptionsWidget : QWidget
     QStringList options() const;
 
     /**
-     * Populate widget with user-defined options
+     * Populate widget with user-defined options. String should contain
+     * key=value pairs separated by spaces, e.g. "TILED=YES TFW=YES"
      * @see options()
      * @note added in QGIS 3.0
      */
diff --git a/src/gui/qgsrasterformatsaveoptionswidget.cpp b/src/gui/qgsrasterformatsaveoptionswidget.cpp
index 0264e76b63f..4a479a01a81 100644
--- a/src/gui/qgsrasterformatsaveoptionswidget.cpp
+++ b/src/gui/qgsrasterformatsaveoptionswidget.cpp
@@ -644,10 +644,13 @@ void QgsRasterFormatSaveOptionsWidget::setOptions( const QString& options )
     mOptionsTable->insertRow( rowCount );
 
     values = opt.split( '=' );
-    QTableWidgetItem* nameItem = new QTableWidgetItem( values.at( 0 ) );
-    mOptionsTable->setItem( rowCount, 0, nameItem );
-    QTableWidgetItem* valueItem = new QTableWidgetItem( values.at( 1 ) );
-    mOptionsTable->setItem( rowCount, 0, valueItem );
+    if ( values.count() == 2 )
+    {
+      QTableWidgetItem* nameItem = new QTableWidgetItem( values.at( 0 ) );
+      mOptionsTable->setItem( rowCount, 0, nameItem );
+      QTableWidgetItem* valueItem = new QTableWidgetItem( values.at( 1 ) );
+      mOptionsTable->setItem( rowCount, 0, valueItem );
+    }
   }
 
   mOptionsMap[ currentProfileKey()] = options.trimmed();
diff --git a/src/gui/qgsrasterformatsaveoptionswidget.h b/src/gui/qgsrasterformatsaveoptionswidget.h
index 3d430b2bef9..f7ed005eed5 100644
--- a/src/gui/qgsrasterformatsaveoptionswidget.h
+++ b/src/gui/qgsrasterformatsaveoptionswidget.h
@@ -76,7 +76,8 @@ class GUI_EXPORT QgsRasterFormatSaveOptionsWidget: public QWidget,
     QStringList options() const;
 
     /**
-     * Populate widget with user-defined options
+     * Populate widget with user-defined options. String should contain
+     * key=value pairs separated by spaces, e.g. "TILED=YES TFW=YES"
      * @see options()
      * @note added in QGIS 3.0
      */