1 files changed, 1 insertions, 1 deletions
diff --git a/packages/website/ts/components/eth_weth_conversion_button.tsx b/packages/website/ts/components/eth_weth_conversion_button.tsx
index 2fb35cc1c..4b91a2ebd 100644
--- a/packages/website/ts/components/eth_weth_conversion_button.tsx
+++ b/packages/website/ts/components/eth_weth_conversion_button.tsx
@@ -18,7 +18,7 @@ interface EthWethConversionButtonProps {
     ethToken: Token;
     dispatcher: Dispatcher;
     blockchain: Blockchain;
-    userEtherBalanceInWei?: BigNumber;
+    userEtherBalanceInWei: BigNumber;
     isOutdatedWrappedEther: boolean;
     onConversionSuccessful?: () => void;
     isDisabled?: boolean;