diff --git a/core-chain/mainnet/config.toml b/core-chain/mainnet/config.toml
index 47cbc813..000eb501 100644
--- a/core-chain/mainnet/config.toml
+++ b/core-chain/mainnet/config.toml
@@ -36,6 +36,7 @@ OracleThreshold = 1000
 Default = 30000000000
 
 [Node]
+DataDir = "/data"
 IPCPath = "geth.ipc"
 HTTPHost = "0.0.0.0"
 NoUSB = true