--- source4/heimdal/lib/krb5/ticket.c.orig	2017-03-11 18:28:23.000000000 +0100
+++ source4/heimdal/lib/krb5/ticket.c	2017-03-11 18:31:20.000000000 +0100
@@ -704,11 +704,11 @@
 	tmp_time = rep->enc_part.authtime;
 
     if (creds->times.starttime == 0
-	&& abs(tmp_time - sec_now) > context->max_skew) {
+	&& labs(tmp_time - sec_now) > context->max_skew) {
 	ret = KRB5KRB_AP_ERR_SKEW;
 	krb5_set_error_message (context, ret,
 				N_("time skew (%d) larger than max (%d)", ""),
-			       abs(tmp_time - sec_now),
+			       labs(tmp_time - sec_now),
 			       (int)context->max_skew);
 	goto out;
     }