diff --git a/ride/l2mp_leasing.ride b/ride/l2mp_leasing.ride
index 38398cef..08fb0582 100644
--- a/ride/l2mp_leasing.ride
+++ b/ride/l2mp_leasing.ride
@@ -686,15 +686,15 @@ func stakeFor(userAddress: String) = {
 }
 
 @Callable(i)
-func startUnitsVesting(unitsClaimNewInterval: Int, totalL2String: String) = {
-    let totalUnits = i.payments[0].amount
+func startUnitsVesting(unitsClaimNewInterval: Int, totalL2String: String, unitsAssetIdstring: String, unitsAmountString: String) = {
+    let unitsAmount = unitsAmountString.parseIntValue()
     let totalL2 = totalL2String.parseIntValue()
+    let unitsAsset = unitsAssetIdstring.assetStringToBytes()
 
-    let unitsPerBlockScale16 = fraction(totalUnits, scale16, totalL2) / unitsClaimNewInterval
+    let unitsPerBlockScale16 = fraction(unitsAmount, scale16, totalL2) / unitsClaimNewInterval
 
     strict check = [
         isInAdminList(i.caller.toString()) || "caller is not in adminList".throwErr(),
-        i.payments.size() == 1 || "should be 1 payment".throwErr(),
         unitsPerBlockScale16 > 0 || "units per block should be greated than 0".throwErr(),
         totalL2 > 0 || "total l2 should be greated than 0".throwErr()
     ]
@@ -703,7 +703,7 @@ func startUnitsVesting(unitsClaimNewInterval: Int, totalL2String: String) = {
         IntegerEntry(keyUnitsPerBlockScale16, unitsPerBlockScale16),
         IntegerEntry(keyUnitsClaimStartHeight, height),
         IntegerEntry(keyUnitsClaimInterval, unitsClaimNewInterval),
-        StringEntry(keyUnitsAssetId, i.payments[0].assetId.assetBytesToString())
+        StringEntry(keyUnitsAssetId, unitsAsset.assetBytesToString())
     ]
 }