diff --git a/kdc/kerberos5.c b/kdc/kerberos5.c
index 58eb9c43f..92b487697 100644
--- a/kdc/kerberos5.c
+++ b/kdc/kerberos5.c
@@ -170,7 +170,9 @@ _kdc_find_etype(krb5_context context, krb5_boolean use_strongest_session_key,
                 if (krb5_enctype_valid(context, etypes[k]) != 0 &&
                     !_kdc_is_weak_exception(princ->entry.principal, etypes[k]))
                     continue;
-                if (etypes[k] == ETYPE_DES_CBC_CRC)
+                if (etypes[k] == (krb5_enctype)ETYPE_DES_CBC_CRC ||
+                    etypes[k] == (krb5_enctype)ETYPE_DES_CBC_MD4 ||
+                    etypes[k] == (krb5_enctype)ETYPE_DES_CBC_MD5)
                     client_offered_1des = 1;
 		if (p[i] != etypes[k])
 		    continue;