diff --git a/packages/loader/src/prefab/PrefabResource.ts b/packages/loader/src/prefab/PrefabResource.ts
index bd5da0448b..2a49228793 100644
--- a/packages/loader/src/prefab/PrefabResource.ts
+++ b/packages/loader/src/prefab/PrefabResource.ts
@@ -33,16 +33,23 @@ export class PrefabResource extends ReferResource {
    */
   _addDependenceAsset(resource: ReferResource) {
     this._dependenceAssets.add(resource);
-    // @ts-ignore
-    resource._associationSuperResource(this);
+    // @todo: The PhysicsMaterial does not inherit from ReferResource. Currently,
+    // ReferResource requires the engine to be passed as a parameter, which prevents cross-engine reuse.
+    // A refactor of ReferResource will be needed in the future.
+    if (resource instanceof ReferResource) {
+      // @ts-ignore
+      resource._associationSuperResource(this);
+    }
   }
 
   protected override _onDestroy(): void {
     super._onDestroy();
     this._root.destroy();
     this._dependenceAssets.forEach((asset) => {
-      // @ts-ignore
-      asset._disassociationSuperResource(this);
+      if (asset instanceof ReferResource) {
+        // @ts-ignore
+        asset._disassociationSuperResource(this);
+      }
     });
   }
 }