diff --git a/src/gui/editorwidgets/qgsrelationreferencewidgetwrapper.cpp b/src/gui/editorwidgets/qgsrelationreferencewidgetwrapper.cpp
index b62d75dc0af..c4d76a8dfc8 100644
--- a/src/gui/editorwidgets/qgsrelationreferencewidgetwrapper.cpp
+++ b/src/gui/editorwidgets/qgsrelationreferencewidgetwrapper.cpp
@@ -99,12 +99,12 @@ QVariant QgsRelationReferenceWidgetWrapper::value()
   }
 }
 
-void QgsRelationReferenceWidgetWrapper::setValue( const QVariant& value )
+void QgsRelationReferenceWidgetWrapper::setValue( const QVariant& val )
 {
-  if ( !mWidget )
+  if ( !mWidget || val == value() )
     return;
 
-  mWidget->setForeignKey( value );
+  mWidget->setForeignKey( val );
 }
 
 void QgsRelationReferenceWidgetWrapper::setEnabled( bool enabled )