diff --git a/dbm/include/mcom_db.h b/dbm/include/mcom_db.h
index 7fd94437745..0a28e23451f 100644
--- a/dbm/include/mcom_db.h
+++ b/dbm/include/mcom_db.h
@@ -36,6 +36,7 @@
 #ifndef _DB_H_
 #define	_DB_H_
 
+#include "cdefs.h"
 #include "prtypes.h"
 
 #ifdef __sgi