diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 01b66d4a5aad..7f8e15899417 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -237,8 +237,9 @@ int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
 				"old packet received, start protection\n");
 
 			return 0;
-		} else
+		} else {
 			return 1;
+		}
 	}
 	return 0;
 }