diff --git a/src/plugins/codeeditor/codelens/codelensdelegate.cpp b/src/plugins/codeeditor/codelens/codelensdelegate.cpp
index 4d92ed5bc..9d0d6676e 100644
--- a/src/plugins/codeeditor/codelens/codelensdelegate.cpp
+++ b/src/plugins/codeeditor/codelens/codelensdelegate.cpp
@@ -6,6 +6,7 @@
 #include "codelenstype.h"
 
 #include <DGuiApplicationHelper>
+#include <QApplication>
 
 const int LinePadding = 4;
 const int LineDigits = 6;