diff --git a/src/plugins/qt4projectmanager/qt-maemo/qemuruntimemanager.cpp b/src/plugins/qt4projectmanager/qt-maemo/qemuruntimemanager.cpp
index 3f9926b4da2..3d16648d76a 100644
--- a/src/plugins/qt4projectmanager/qt-maemo/qemuruntimemanager.cpp
+++ b/src/plugins/qt4projectmanager/qt-maemo/qemuruntimemanager.cpp
@@ -47,6 +47,7 @@
 #include <QtCore/QDir>
 #include <QtCore/QList>
 #include <QtCore/QSet>
+#include <QtCore/QStringBuilder>
 #include <QtCore/QTextStream>
 
 #include <QtGui/QMessageBox>