diff --git a/src/db/iocInit.c b/src/db/iocInit.c
index b98619c15..b3bbec241 100644
--- a/src/db/iocInit.c
+++ b/src/db/iocInit.c
@@ -76,6 +76,7 @@ of this distribution.
 #include "dbStaticLib.h"
 #include "initHooks.h"
 #include "asLib.h"
+extern struct dbBase *pdbbase;
 
 LOCAL int initialized=FALSE;