diff --git a/src/include/internals.h b/src/include/internals.h
index dff9a9ea..47f2b14c 100644
--- a/src/include/internals.h
+++ b/src/include/internals.h
@@ -53,6 +53,7 @@
     #define GUI_INTERNALS_H
 
 #include "constants.h"
+#include "cliprect.h"
 
 /******************* Internal data *******************************************/