diff --git a/src/libs/qmljs/qmljsscanner.cpp b/src/libs/qmljs/qmljsscanner.cpp
index 3328a71c041..35c616b3bc9 100644
--- a/src/libs/qmljs/qmljsscanner.cpp
+++ b/src/libs/qmljs/qmljsscanner.cpp
@@ -25,6 +25,8 @@
 
 #include <qmljs/qmljsscanner.h>
 
+#include <QDebug>
+
 #include <algorithm>
 
 using namespace QmlJS;