diff --git a/src/lib/component/controller/GraphController.cpp b/src/lib/component/controller/GraphController.cpp
index b001f0a3..25dcaee0 100644
--- a/src/lib/component/controller/GraphController.cpp
+++ b/src/lib/component/controller/GraphController.cpp
@@ -1217,7 +1217,7 @@ void GraphController::bundleNodesByType()
 				nodes,
 				[&](const DummyNode* node)
 				{
-					return utility::isPrefix("anonymous", node->name);
+					return node->name.find("anonymous namespace") != std::string::npos;
 				},
 				"Anonymous Namespaces"
 			);