diff --git a/src/dialog.cpp b/src/dialog.cpp
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -43,6 +43,8 @@
 
 #include <KHelpMenu>
 
+#include <QAction>
+
 #include <gpgme++/engineinfo.h>
 #include <gpgme++/error.h>