diff --git a/src/network/networkctl.c b/src/network/networkctl.c
index 88e5b5ec9e..7ee0961fa6 100644
--- a/src/network/networkctl.c
+++ b/src/network/networkctl.c
@@ -1108,7 +1108,7 @@ static int get_gateway_description(
                         break;
 
                 default:
-                        continue;
+                        assert_not_reached();
                 }
 
                 if (!in_addr_equal(fam, &gw, gateway))