diff --git a/samples/qt/Common/src/DocumentCommon.cxx b/samples/qt/Common/src/DocumentCommon.cxx
index 1c567615df..8844a8ae0f 100755
--- a/samples/qt/Common/src/DocumentCommon.cxx
+++ b/samples/qt/Common/src/DocumentCommon.cxx
@@ -237,4 +237,5 @@ void DocumentCommon::onDelete()
     myContext->EraseSelected (Standard_False);
     myContext->ClearSelected();
     getApplication()->onSelectionChanged();
+	myContext->UpdateCurrentViewer();
 }