diff --git a/src/core/tool.cpp b/src/core/tool.cpp
index f4107ddf9..7c195a914 100644
--- a/src/core/tool.cpp
+++ b/src/core/tool.cpp
@@ -27,6 +27,7 @@
 
 #include "tool.h"
 
+#include <QtGui/QIcon>
 #include <QtGui/QMdiArea>
 
 #include "embed.h"