diff --git a/lib/krb5/krbhst.c b/lib/krb5/krbhst.c
index 8b4ad0726..27b12cdf4 100644
--- a/lib/krb5/krbhst.c
+++ b/lib/krb5/krbhst.c
@@ -124,7 +124,7 @@ srv_find_realm(krb5_context context, krb5_krbhst_info ***res, int *count,
 	    else
 		hi->port = rr->u.srv->port;
 
-	    strlcpy(hi->hostname, rr->u.srv->target, len);
+	    strlcpy(hi->hostname, rr->u.srv->target, len + 1);
 	}
 
     *count = num_srv;