diff --git a/src/plugins/cppeditor/cppoverviewmodel.cpp b/src/plugins/cppeditor/cppoverviewmodel.cpp
index 3c49b151e87..bc1ea2e0f90 100644
--- a/src/plugins/cppeditor/cppoverviewmodel.cpp
+++ b/src/plugins/cppeditor/cppoverviewmodel.cpp
@@ -34,6 +34,8 @@
 #include <utils/linecolumn.h>
 #include <utils/link.h>
 
+#include <QTimer>
+
 using namespace CPlusPlus;
 namespace CppEditor::Internal {