diff --git a/src/nat/gnunet-service-nat.c b/src/nat/gnunet-service-nat.c
index dd0715785..06b8df5b9 100644
--- a/src/nat/gnunet-service-nat.c
+++ b/src/nat/gnunet-service-nat.c
@@ -736,6 +736,9 @@ check_notify_client (struct LocalAddressList *delta,
            (! is_nat_v4 (&c4->sin_addr)) )
 	continue; /* this IP is not from private address range,
 		     and IP does not match. */
+      if ( is_nat_v4 (&v4.sin_addr) )
+	continue; /* this IP is from private address range */
+
 
       /* OK, IP seems relevant, notify client */
       if (0 == htons (v4.sin_port))