diff --git a/kdc/kdc_locl.h b/kdc/kdc_locl.h
index 416e0c572..e2a61f969 100644
--- a/kdc/kdc_locl.h
+++ b/kdc/kdc_locl.h
@@ -80,6 +80,7 @@
 #include <hdb_err.h>
 
 #ifdef KRB4
+#define krb_as_req krb4_as_req
 #include <krb.h>
 #include <prot.h>
 #endif