diff --git a/src/musredit/PHelp.cpp b/src/musredit/PHelp.cpp
index a63ab6e02..7f0994034 100644
--- a/src/musredit/PHelp.cpp
+++ b/src/musredit/PHelp.cpp
@@ -31,6 +31,7 @@
 
 #include <QtGui>
 #include <QtWebKit>
+#include <QNetworkProxyFactory>
 
 #include <QtDebug>