diff --git a/src/gdd/gddAppFuncTable.h b/src/gdd/gddAppFuncTable.h
index 9ebb5006a..d786592bc 100644
--- a/src/gdd/gddAppFuncTable.h
+++ b/src/gdd/gddAppFuncTable.h
@@ -42,6 +42,7 @@
 //
 #include "gdd.h"
 #include "gddAppTable.h"
+#include "errMdef.h"
 
 typedef aitUint32 gddAppFuncTableStatus;