diff --git a/contracts/arbitrum/connectors/uniswap/v3_swap/helpers.sol b/contracts/arbitrum/connectors/uniswap/v3_swap/helpers.sol
index fc4ead42..1a7a1366 100644
--- a/contracts/arbitrum/connectors/uniswap/v3_swap/helpers.sol
+++ b/contracts/arbitrum/connectors/uniswap/v3_swap/helpers.sol
@@ -53,7 +53,7 @@ abstract contract Helpers is DSMath, Basic {
 			_sellAddr.decimals(),
 			wmul(buyData.unitAmt, convertTo18(_buyAddr.decimals(), _buyAmt))
 		);
-		bool isEth = address(_sellAddr) == wethAddr;
+		bool isEth = address(_sellAddr) == ethAddr;
 		convertEthToWeth(isEth, _sellAddr, _slippageAmt);
 		approve(_sellAddr, address(swapRouter), _slippageAmt);
 
@@ -115,7 +115,7 @@ abstract contract Helpers is DSMath, Basic {
 			wmul(sellData.unitAmt, convertTo18(_sellAddr.decimals(), _sellAmt))
 		);
 
-		bool isEth = address(_sellAddr) == wethAddr;
+		bool isEth = address(_sellAddr) == ethAddr;
 		convertEthToWeth(isEth, _sellAddr, _sellAmt);
 		approve(_sellAddr, address(swapRouter), _sellAmt);
 		ExactInputSingleParams memory params = ExactInputSingleParams({
diff --git a/contracts/mainnet/connectors/uniswap/v3_swap/helpers.sol b/contracts/mainnet/connectors/uniswap/v3_swap/helpers.sol
index 27e7cb88..a949c8fa 100644
--- a/contracts/mainnet/connectors/uniswap/v3_swap/helpers.sol
+++ b/contracts/mainnet/connectors/uniswap/v3_swap/helpers.sol
@@ -53,7 +53,7 @@ abstract contract Helpers is DSMath, Basic {
 			_sellAddr.decimals(),
 			wmul(buyData.unitAmt, convertTo18(_buyAddr.decimals(), _buyAmt))
 		);
-		bool isEth = address(_sellAddr) == wethAddr;
+		bool isEth = address(_sellAddr) == ethAddr;
 		convertEthToWeth(isEth, _sellAddr, _slippageAmt);
 		approve(_sellAddr, address(swapRouter), _slippageAmt);
 
@@ -114,7 +114,7 @@ abstract contract Helpers is DSMath, Basic {
 			wmul(sellData.unitAmt, convertTo18(_sellAddr.decimals(), _sellAmt))
 		);
 
-		bool isEth = address(_sellAddr) == wethAddr;
+		bool isEth = address(_sellAddr) == ethAddr;
 		convertEthToWeth(isEth, _sellAddr, _sellAmt);
 		approve(_sellAddr, address(swapRouter), _sellAmt);
 		ExactInputSingleParams memory params = ExactInputSingleParams({
diff --git a/contracts/optimism/connectors/uniswap/v3_swap/helpers.sol b/contracts/optimism/connectors/uniswap/v3_swap/helpers.sol
index 622a338c..a6a27230 100644
--- a/contracts/optimism/connectors/uniswap/v3_swap/helpers.sol
+++ b/contracts/optimism/connectors/uniswap/v3_swap/helpers.sol
@@ -53,7 +53,7 @@ abstract contract Helpers is DSMath, Basic {
 			_sellAddr.decimals(),
 			wmul(buyData.unitAmt, convertTo18(_buyAddr.decimals(), _buyAmt))
 		);
-		bool isEth = address(_sellAddr) == wethAddr;
+		bool isEth = address(_sellAddr) == ethAddr;
 		convertEthToWeth(isEth, _sellAddr, _slippageAmt);
 		approve(_sellAddr, address(swapRouter), _slippageAmt);
 
@@ -115,7 +115,7 @@ abstract contract Helpers is DSMath, Basic {
 			wmul(sellData.unitAmt, convertTo18(_sellAddr.decimals(), _sellAmt))
 		);
 
-		bool isEth = address(_sellAddr) == wethAddr;
+		bool isEth = address(_sellAddr) == ethAddr;
 		convertEthToWeth(isEth, _sellAddr, _sellAmt);
 		approve(_sellAddr, address(swapRouter), _sellAmt);
 		ExactInputSingleParams memory params = ExactInputSingleParams({
diff --git a/contracts/polygon/connectors/uniswap/v3_swap/helpers.sol b/contracts/polygon/connectors/uniswap/v3_swap/helpers.sol
index 30911e8e..f2535230 100644
--- a/contracts/polygon/connectors/uniswap/v3_swap/helpers.sol
+++ b/contracts/polygon/connectors/uniswap/v3_swap/helpers.sol
@@ -53,7 +53,7 @@ abstract contract Helpers is DSMath, Basic {
 			wmul(buyData.unitAmt, convertTo18(_buyAddr.decimals(), _buyAmt))
 		);
 
-		bool isMatic = address(_sellAddr) == wmaticAddr;
+		bool isMatic = address(_sellAddr) == maticAddr;
 		convertMaticToWmatic(isMatic, _sellAddr, _slippageAmt);
 		approve(_sellAddr, address(swapRouter), _slippageAmt);
 		ExactOutputSingleParams memory params = ExactOutputSingleParams({
@@ -114,7 +114,7 @@ abstract contract Helpers is DSMath, Basic {
 			wmul(sellData.unitAmt, convertTo18(_sellAddr.decimals(), _sellAmt))
 		);
 
-		bool isMatic = address(_sellAddr) == wmaticAddr;
+		bool isMatic = address(_sellAddr) == maticAddr;
 		convertMaticToWmatic(isMatic, _sellAddr, _sellAmt);
 		approve(_sellAddr, address(swapRouter), _sellAmt);
 		ExactInputSingleParams memory params = ExactInputSingleParams({
diff --git a/contracts/polygon/connectors/uniswap/v3_swap/main.sol b/contracts/polygon/connectors/uniswap/v3_swap/main.sol
index 5d88bfa5..9a0809f8 100644
--- a/contracts/polygon/connectors/uniswap/v3_swap/main.sol
+++ b/contracts/polygon/connectors/uniswap/v3_swap/main.sol
@@ -90,4 +90,4 @@ abstract contract UniswapResolver is Helpers, Events {
 
 contract ConnectV2UniswapV3SwapPolygon is UniswapResolver {
 	string public constant name = "UniswapV3-Swap-v1";
-}
\ No newline at end of file
+}