diff --git a/scripts/start-geth.sh b/scripts/start-geth.sh
index 49910770..17013934 100755
--- a/scripts/start-geth.sh
+++ b/scripts/start-geth.sh
@@ -52,7 +52,7 @@ rm $tmpfile
 # start up
 geth --networkid 9000 --datadir $DATA --http --http.addr localhost --http.api 'personal,eth,net,web3,txpool,miner' \
 -unlock '0x57f96e6b86cdefdb3d412547816a82e3e0ebf9d2' --password $pwdfile \
---mine --allow-insecure-unlock \
+--mine --miner.threads 1 --allow-insecure-unlock --ipcdisable \
 $@
 
 rm $pwdfile