diff --git a/src/html/window.zig b/src/html/window.zig
index 251a1cf5..b81c91ba 100644
--- a/src/html/window.zig
+++ b/src/html/window.zig
@@ -105,8 +105,12 @@ pub const Window = struct {
         return self.timeoutid;
     }
 
-    pub fn _clearTimeout(self: *Window, loop: *Loop, id: u32) !void {
-        if (id >= self.timeoutid) return error.InvalidTimeoutId;
+    pub fn _clearTimeout(self: *Window, loop: *Loop, id: u32) void {
+        // I do would prefer return an error in this case, but it seems some JS
+        // uses invalid id, in particular id 0.
+        // So we silently ignore invalid id for now.
+        if (id >= self.timeoutid) return;
+
         loop.cancel(self.timeoutids[id], null);
     }
 };