diff --git a/src/NodeGraphicsObject.cpp b/src/NodeGraphicsObject.cpp
index 4db8ed90..fa4c4744 100644
--- a/src/NodeGraphicsObject.cpp
+++ b/src/NodeGraphicsObject.cpp
@@ -61,7 +61,7 @@ NodeGraphicsObject::NodeGraphicsObject(BasicGraphicsScene &scene, NodeId nodeId)
 
     setPos(pos);
 
-    connect(&_graphModel, &AbstractGraphModel::nodeFlagsUpdated, [this](NodeId const nodeId) {
+    connect(&_graphModel, &AbstractGraphModel::nodeFlagsUpdated, this, [this](NodeId const nodeId) {
         if (_nodeId == nodeId)
             setLockedState();
     });