diff --git a/ui/app/pages/swaps/index.js b/ui/app/pages/swaps/index.js
index 5f1667110..52522c2f1 100644
--- a/ui/app/pages/swaps/index.js
+++ b/ui/app/pages/swaps/index.js
@@ -305,7 +305,7 @@ export default function Swap() {
                     ethBalance={ethBalance}
                     setMaxSlippage={setMaxSlippage}
                     selectedAccountAddress={selectedAccountAddress}
-                    maxSlippage={maxSlippage}
+                    maxSlippage={Number(maxSlippage)}
                   />
                 )
               }}