diff --git a/zkevm.yml b/zkevm.yml
index 9c44cff6..e8a0b2d1 100644
--- a/zkevm.yml
+++ b/zkevm.yml
@@ -20,7 +20,8 @@ services:
     expose:  
       - 8545       
       - 9091 # needed if metrics enabled
-    environment:                          
+    environment:
+      - ZKEVM_NETWORK="mainnet"
       - ZKEVM_NODE_ETHERMAN_URL=${ZKEVM_ETHEREUM_ENDPOINT}                                                                                                                                                 
     volumes:    
       - ./zkevm/public.node.config.toml:/app/config.toml