diff --git a/src/main/java/org/bdware/consistency/plugin/sharding/MultiPointCooperationExecutor.java b/src/main/java/org/bdware/consistency/plugin/sharding/MultiPointCooperationExecutor.java
index 1bef851..b519f67 100644
--- a/src/main/java/org/bdware/consistency/plugin/sharding/MultiPointCooperationExecutor.java
+++ b/src/main/java/org/bdware/consistency/plugin/sharding/MultiPointCooperationExecutor.java
@@ -101,9 +101,9 @@ public class MultiPointCooperationExecutor extends AbstractContextContractExecut
         try {
             int val;
             if (routeInfo.useDefault == null) {
-                // func myFunc (requester, sourceArg)
+                // func myFunc (sourceArg, requester)
                 JsonElement requester = req.getRequester() == null ? JsonNull.INSTANCE : new JsonPrimitive(req.getRequester());
-                return invokeFunctionWithoutLimit(req.getContractID(), routeInfo.funcName, String[].class, requester, req.getArg());
+                return invokeFunctionWithoutLimit(req.getContractID(), routeInfo.funcName, String[].class, req.getArg(), requester);
             }
             switch (routeInfo.useDefault) {
                 case byRequester: