diff --git a/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp b/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp
index 1770203398b..1055262ec9e 100644
--- a/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp
+++ b/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp
@@ -43,6 +43,7 @@
 #include <QtCore/QDir>
 #include <QtCore/QFileInfo>
 #include <QtCore/QDebug>
+#include <QtCore/QStringBuilder>
 #include <QtCore/QUrl>
 #include <QtCore/QSettings>
 #include <QtCore/QXmlStreamReader>