diff --git a/libs/ecs/src/entities.zig b/libs/ecs/src/entities.zig
index bd02474b..7be3dadb 100644
--- a/libs/ecs/src/entities.zig
+++ b/libs/ecs/src/entities.zig
@@ -116,7 +116,7 @@ pub const ArchetypeStorage = struct {
         if (better_capacity >= new_capacity) return;
 
         while (true) {
-            better_capacity += better_capacity / 2 + 8;
+            better_capacity +|= better_capacity / 2 + 8;
             if (better_capacity >= new_capacity) break;
         }