diff --git a/packages/react-signer/src/Modal.tsx b/packages/react-signer/src/Modal.tsx
index 9a070f2a93..71c00f38f9 100644
--- a/packages/react-signer/src/Modal.tsx
+++ b/packages/react-signer/src/Modal.tsx
@@ -629,7 +629,7 @@ class Signer extends React.PureComponent<Props, State> {
         api.setSigner(injected.signer);
         params.push(address);
       } else {
-        params.push(pair, { genesisHash: '0x00' });
+        params.push(pair);
       }
     }