diff --git a/lib/gssapi/krb5/external.c b/lib/gssapi/krb5/external.c
index 72cbdee13..385432fac 100644
--- a/lib/gssapi/krb5/external.c
+++ b/lib/gssapi/krb5/external.c
@@ -328,6 +328,12 @@ static gss_OID_desc gss_krb5_get_acceptor_subkey_x_desc =
 
 gss_OID GSS_KRB5_GET_ACCEPTOR_SUBKEY_X = &gss_krb5_get_acceptor_subkey_x_desc;
 
+/* 1.2.752.43.14.1 */
+static gss_OID_desc gss_sasl_digest_md5_mechanism_desc =
+{6, rk_UNCONST("\x2a\x85\x70\x2b\x0e\x01") };
+
+gss_OID GSS_SASL_DIGEST_MD5_MECHANISM = &gss_sasl_digest_md5_mechanism_desc;
+
 /*
  * Context for krb5 calls.
  */