diff --git a/clients/riscos/Manager.cpp b/clients/riscos/Manager.cpp
index 0b194728e6..27bd8dd84f 100644
--- a/clients/riscos/Manager.cpp
+++ b/clients/riscos/Manager.cpp
@@ -27,6 +27,7 @@
 #include <qpainter.h>
 #include <qimage.h>
 #include <qlayout.h>
+#include <qvariant.h>
 
 #include <kapp.h>