diff --git a/src/plugins/cpptools/cppfindreferences.cpp b/src/plugins/cpptools/cppfindreferences.cpp
index 054359c85d2..6881c7d376e 100644
--- a/src/plugins/cpptools/cppfindreferences.cpp
+++ b/src/plugins/cpptools/cppfindreferences.cpp
@@ -62,7 +62,8 @@ using namespace CppTools::Internal;
 using namespace CPlusPlus;
 
 CppFindReferences::CppFindReferences(CppTools::CppModelManagerInterface *modelManager)
-    : _modelManager(modelManager),
+    : QObject(modelManager),
+      _modelManager(modelManager),
       _resultWindow(ExtensionSystem::PluginManager::instance()->getObject<Find::SearchResultWindow>())
 {
     m_watcher.setPendingResultsLimit(1);