diff --git a/src/gui/qgsrelationeditorwidget.cpp b/src/gui/qgsrelationeditorwidget.cpp
index ac8626bd9e5..b3b1b9766ab 100644
--- a/src/gui/qgsrelationeditorwidget.cpp
+++ b/src/gui/qgsrelationeditorwidget.cpp
@@ -272,6 +272,7 @@ void QgsRelationEditorWidget::initDualView( QgsVectorLayer *layer, const QgsFeat
   mFeatureSelectionMgr = new QgsFilteredSelectionManager( layer, request, mDualView );
   mDualView->setFeatureSelectionManager( mFeatureSelectionMgr );
   connect( mFeatureSelectionMgr, &QgsIFeatureSelectionManager::selectionChanged, this, &QgsRelationEditorWidget::updateButtons );
+  updateButtons();
 }
 
 void QgsRelationEditorWidget::setRelations( const QgsRelation &relation, const QgsRelation &nmrelation )