diff --git a/babeld/neighbour.c b/babeld/neighbour.c
index f360b89..5a327df 100644
--- a/babeld/neighbour.c
+++ b/babeld/neighbour.c
@@ -122,7 +122,8 @@
     return neigh;
 }
 
-/* Recompute a neighbour's rxcost.  Return true if anything changed. */
+/* Recompute a neighbour's rxcost.  Return true if anything changed.
+   This does not call local_notify_neighbour, see update_neighbour_metric. */
 int
 update_neighbour(struct neighbour *neigh, int hello, int hello_interval)
 {
@@ -327,7 +328,7 @@
         return INFINITY;
 
     if(!(babel_get_if_nfo(neigh->ifp)->flags & BABEL_IF_LQ)
-       || (a <= 256 && b <= 256)) {
+       || (a < 256 && b < 256)) {
         return a;
     } else {
         /* a = 256/alpha, b = 256/beta, where alpha and beta are the expected