diff --git a/package.json b/package.json
index bfeedde1..ac52539b 100644
--- a/package.json
+++ b/package.json
@@ -55,5 +55,5 @@
     "jest": "^28.1.1",
     "typescript": "^4.7.4"
   },
-  "stableVersion": "0.1.5-10"
+  "stableVersion": "0.1.5-11"
 }
diff --git a/src/adapters/phala.ts b/src/adapters/phala.ts
index 2b0fedf8..df934210 100644
--- a/src/adapters/phala.ts
+++ b/src/adapters/phala.ts
@@ -253,7 +253,7 @@ class BasePhalaAdapter extends BaseCrossChainAdapter {
       };
     }
 
-    return this.api.tx.xTransfer.transfer(asset, dst);
+    return this.api.tx.xTransfer.transfer(asset, dst, undefined);
   }
 }