diff --git a/lib/gssapi/preauth/pa_common.c b/lib/gssapi/preauth/pa_common.c
index 8fe049859..05bcdb7f7 100644
--- a/lib/gssapi/preauth/pa_common.c
+++ b/lib/gssapi/preauth/pa_common.c
@@ -65,8 +65,8 @@ _krb5_gss_map_error(OM_uint32 major, OM_uint32 minor)
         ret = KRB5KRB_AP_ERR_BAD_INTEGRITY;
         break;
     case GSS_S_FAILURE:
-	if (minor == KRB5KRB_AP_ERR_BAD_INTEGRITY ||
-	    minor == HNTLM_ERR_AUTH) {
+	if (minor == (OM_uint32)KRB5KRB_AP_ERR_BAD_INTEGRITY ||
+	    minor == (OM_uint32)HNTLM_ERR_AUTH) {
 	    ret = KRB5KRB_AP_ERR_BAD_INTEGRITY;
 	    break;
 	}