diff --git a/src/utils/classifiers.ts b/src/utils/classifiers.ts
index 4ff975739..aa5a79872 100644
--- a/src/utils/classifiers.ts
+++ b/src/utils/classifiers.ts
@@ -23,12 +23,14 @@ export const networkNames = {
 };
 
 export const rpcNodes = {
-  30: 'https://mainnet.sovryn.app/rpc',
+  // 30: 'https://mainnet.sovryn.app/rpc',
+  30: 'https://mainnetbackup.sovryn.app/rpc',
   31: 'https://testnet.sovryn.app/rpc',
 };
 
 export const readNodes = {
-  30: 'wss://mainnet.sovryn.app/ws',
+  // 30: 'wss://mainnet.sovryn.app/ws',
+  30: 'wss://mainnetbackup.sovryn.app/ws',
   31: 'wss://testnet.sovryn.app/ws',
   // 30: 'https://public-node.rsk.co',
   // 31: 'https://public-node.testnet.rsk.co',