parenthesize macro arg

1 files changed, 1 insertions, 1 deletions

diff --git a/arena.h b/arena.h
index 045cde0..7013eb7 100644
--- a/arena.h
+++ b/arena.h
@@ -24,7 +24,7 @@ typedef struct {
 	(t*)arena_zeroed(arena_alloc(a, sizeof(t), _Alignof(t)), sizeof(t))
 
 #define new_arr(a, t, n)\
-	arena_alloc(a, sizeof(t) * n, _Alignof(t))
+	arena_alloc(a, sizeof(t) * (n), _Alignof(t))
 
 #define resize(a, p, old, new)\
 	arena_realloc(a, p, (old) * sizeof(*(p)), (new) * sizeof(*(p)),\