diff --git a/miext/damage/damagestr.h b/miext/damage/damagestr.h
index 772a7ec35..0fe9e0ad7 100755
--- a/miext/damage/damagestr.h
+++ b/miext/damage/damagestr.h
@@ -30,6 +30,7 @@
 #define _DAMAGESTR_H_
 
 #include "damage.h"
+#include "gcstruct.h"
 #ifdef RENDER
 # include "picturestr.h"
 #endif