diff --git a/scripts/sequencer-init.sh b/scripts/sequencer-init.sh
index 00fff88..a52c419 100755
--- a/scripts/sequencer-init.sh
+++ b/scripts/sequencer-init.sh
@@ -48,7 +48,7 @@ cp -vr $DATA_FOLDER/libp2p $CONFIG_FOLDER/node/sequencer-$SUBNET/
 cp -vr $GENESIS_FOLDER/genesis.json $SUBNET_FOLDER/genesis.json
 
 cp -f $CONFIG_FOLDER/node/sequencer-$SUBNET/config.toml $CONFIG_FOLDER/node/sequencer-$SUBNET/config.toml.new
-sed -e '/subnet-contract-address =/ s/= .*/= "'$TOPOS_CORE_PROXY_CONTRACT_ADDRESS'"/' $CONFIG_FOLDER/node/sequencer-$SUBNET/config.toml.new
+sed -i -e '/subnet-contract-address =/ s/= .*/= "'$TOPOS_CORE_PROXY_CONTRACT_ADDRESS'"/' $CONFIG_FOLDER/node/sequencer-$SUBNET/config.toml.new
 cp -f $CONFIG_FOLDER/node/sequencer-$SUBNET/config.toml.new $CONFIG_FOLDER/node/sequencer-$SUBNET/config.toml
 
 echo "Topos Core contract address: $TOPOS_CORE_PROXY_CONTRACT_ADDRESS, set manually in config"