diff --git a/okt-chain/mainnet/start.sh b/okt-chain/mainnet/start.sh
index a9183754..1b2bb74e 100755
--- a/okt-chain/mainnet/start.sh
+++ b/okt-chain/mainnet/start.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
         
 if [ ! -d "/datadir/config" ]; then
-    exchaind init fullnode --chain-id exchain-66
+    exchaind init fullnode --chain-id exchain-66 --home /datadir
     wget https://raw.githubusercontent.com/okex/mainnet/main/genesis.json -O /datadir/config/genesis.json
 fi