diff --git a/main/process-tx.zkasm b/main/process-tx.zkasm
index 86b22c55..a80c5341 100644
--- a/main/process-tx.zkasm
+++ b/main/process-tx.zkasm
@@ -32,6 +32,8 @@ processTx:
         ; Minimum of 100000 steps left to process a tx
         %MAX_CNT_STEPS - STEP - 100000 :JMPN(outOfCountersStep)
         %MAX_CNT_BINARY - CNT_BINARY - 100   :JMPN(outOfCountersBinary)
+        %MAX_CNT_ARITH - CNT_ARITH - 2  :JMPN(outOfCountersArith)
+
         $ => A                          :MLOAD(txHash)
         ; Check the signature
         $ => B                          :MLOAD(txR)
@@ -69,7 +71,6 @@ endCheckChainId:
         0                               :MSTORE(depth) ; Initial depth is 0
 
 ;; Set gasPrice global var depending on effectivePercentage [0-255] -> txGasPrice = Floor((gasPrice * (effectivePercentage + 1)) / 256)
-        ; _effGasPriceShifted = gasPrice * (effectivePercentage + 1)
         ; A => gasPrice
         $ => A                          :MLOAD(txGasPriceRLP)
         ; B => effectivePercentage