diff --git a/lib/gssapi/gssapi/gssapi_krb5.h b/lib/gssapi/gssapi/gssapi_krb5.h
index f4ac8f0de..bf91f1cd0 100644
--- a/lib/gssapi/gssapi/gssapi_krb5.h
+++ b/lib/gssapi/gssapi/gssapi_krb5.h
@@ -205,6 +205,11 @@ gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status,
 				void *kctx);
 
 
+OM_uint32
+gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status, 
+				gss_cred_id_t cred,
+				OM_uint32 num_enctypes,
+				krb5_enctype *enctypes);
 
 #ifdef __cplusplus
 }