diff --git a/src/neoxp/Extensions/ExpressNodeExtensions.cs b/src/neoxp/Extensions/ExpressNodeExtensions.cs
index 8cc3375d..0872fd56 100644
--- a/src/neoxp/Extensions/ExpressNodeExtensions.cs
+++ b/src/neoxp/Extensions/ExpressNodeExtensions.cs
@@ -216,6 +216,7 @@ public static async Task<UInt256> TransferAsync(this IExpressNode expressNode, U
                 sb.EmitPush(senderHash);
                 sb.EmitPush(4);
                 sb.Emit(OpCode.PACK);
+                sb.EmitPush(CallFlags.All);
                 sb.EmitPush("transfer");
                 sb.EmitPush(asset);
                 sb.EmitSysCall(ApplicationEngine.System_Contract_Call);