diff --git a/src/core/ipv4/ip4.c b/src/core/ipv4/ip4.c
index 6e4bad94..c6e88f5e 100644
--- a/src/core/ipv4/ip4.c
+++ b/src/core/ipv4/ip4.c
@@ -178,7 +178,7 @@ ip4_route(const ip4_addr_t *dest)
         return netif;
       }
       /* gateway matches on a non broadcast interface? (i.e. peer in a point to point interface) */
-      if ((netif->flags & NETIF_FLAG_BROADCAST) == 0 && ip4_addr_cmp(dest, netif_ip4_gw(netif))) {
+      if (((netif->flags & NETIF_FLAG_BROADCAST) == 0) && ip4_addr_cmp(dest, netif_ip4_gw(netif))) {
         /* return netif on which to forward IP packet */
         return netif;
       }