diff --git a/cocos/physics/bullet/instantiated.ts b/cocos/physics/bullet/instantiated.ts
index 26c71542e84..fe80ccd76e0 100644
--- a/cocos/physics/bullet/instantiated.ts
+++ b/cocos/physics/bullet/instantiated.ts
@@ -107,6 +107,7 @@ function initWASM (wasmFactory, wasmUrl: string): Promise<void> {
         }).then((instance: any) => {
             log('[bullet]:bullet wasm lib loaded.');
             bt = instance as Bullet.instance;
+            globalThis.Bullet = bt as any;
         }).then(resolve).catch((err: any) => reject(errorMessage(err)));
     });
 }