diff --git a/lib/krb5/cache.c b/lib/krb5/cache.c
index 29c5ba1ac..80a5dd0cb 100644
--- a/lib/krb5/cache.c
+++ b/lib/krb5/cache.c
@@ -468,3 +468,14 @@ krb5_cc_get_version(krb5_context context,
     else
 	return 0;
 }
+
+/*
+ * Clear `mcreds' so it can be used with krb5_cc_retrieve_cred
+ */
+
+void
+krb5_cc_clear_mcred(krb5_creds *mcred)
+{
+    memset(mcred, 0, sizeof(*mcred));
+    return 0;
+}