diff --git a/src/browser/Page.zig b/src/browser/Page.zig
index 344af081..06840c05 100644
--- a/src/browser/Page.zig
+++ b/src/browser/Page.zig
@@ -356,10 +356,13 @@ pub fn getOrigin(self: *Page, allocator: Allocator) !?[]const u8 {
     return try URL.getOrigin(allocator, self.url);
 }
 
-pub fn getArena(self: *Page, comptime owner: []const u8) !Allocator {
+const GetArenaOpts = struct {
+    debug: []const u8,
+};
+pub fn getArena(self: *Page, comptime opts: GetArenaOpts) !Allocator {
     const allocator = try self.arena_pool.acquire();
     if (comptime IS_DEBUG) {
-        try self._arena_pool_leak_track.put(self.arena, @intFromPtr(allocator.ptr), owner);
+        try self._arena_pool_leak_track.put(self.arena, @intFromPtr(allocator.ptr), opts.debug);
     }
     return allocator;
 }
diff --git a/src/browser/webapi/net/XMLHttpRequest.zig b/src/browser/webapi/net/XMLHttpRequest.zig
index 83e7db0e..796fa973 100644
--- a/src/browser/webapi/net/XMLHttpRequest.zig
+++ b/src/browser/webapi/net/XMLHttpRequest.zig
@@ -79,7 +79,7 @@ const ResponseType = enum {
 };
 
 pub fn init(page: *Page) !*XMLHttpRequest {
-    const arena = try page.getArena("XMLHttpRequest");
+    const arena = try page.getArena(.{.debug = "XMLHttpRequest"});
     errdefer page.releaseArena(arena);
 
     const xx = try page._factory.xhrEventTarget(XMLHttpRequest{