diff --git a/src/browser/webapi/collections/HTMLCollection.zig b/src/browser/webapi/collections/HTMLCollection.zig
index 0d545b5c3..bcaaf627b 100644
--- a/src/browser/webapi/collections/HTMLCollection.zig
+++ b/src/browser/webapi/collections/HTMLCollection.zig
@@ -235,7 +235,7 @@ pub const JsApi = struct {
         };
 
         var names: std.ArrayList([]const u8) = .{};
-        const arena = exec.call_arena;
+        const arena = exec.local_arena;
 
         const len = self.length(frame);
         for (0..len) |i| {