diff --git a/src/plugins/qmlprojectmanager/qmlprojectnodes.cpp b/src/plugins/qmlprojectmanager/qmlprojectnodes.cpp
index 6062d117ab1..e8c6c7b6aad 100644
--- a/src/plugins/qmlprojectmanager/qmlprojectnodes.cpp
+++ b/src/plugins/qmlprojectmanager/qmlprojectnodes.cpp
@@ -73,6 +73,7 @@ void QmlProjectNode::refresh()
     });
     fileNodes.append(projectFilesNode);
 
+    makeEmpty();
     buildTree(fileNodes);
 }