diff --git a/src/config/staging-mainnet.js b/src/config/staging-mainnet.js
index 9404c390..559b1ece 100644
--- a/src/config/staging-mainnet.js
+++ b/src/config/staging-mainnet.js
@@ -4,7 +4,7 @@ import { TX_SERVICE_HOST, RELAY_API_URL } from '~/config/names'
 
 const stagingMainnetConfig = {
   ...stagingConfig,
-  [TX_SERVICE_HOST]: 'https://safe-transaction.mainnet.staging.gnosisdev.com/api/v1',
+  [TX_SERVICE_HOST]: 'https://safe-transaction.mainnet.staging.gnosisdev.com/api/v1/',
   [RELAY_API_URL]: 'https://safe-relay.gnosis.io/api/v1/',
 }