diff --git a/features/web3OnBoard/injected-wallet-interactions.ts b/features/web3OnBoard/injected-wallet-interactions.ts
index 0727767020..a9dee16b42 100644
--- a/features/web3OnBoard/injected-wallet-interactions.ts
+++ b/features/web3OnBoard/injected-wallet-interactions.ts
@@ -55,6 +55,7 @@ export async function addCustomForkToTheWallet(network: NetworkConfig) {
           symbol: network.token,
           decimals: 18,
         },
+        blockExplorerUrls: null,
       },
     ],
   })