--- a/deploy/dev/start-relay-rococo.sh
+++ b/deploy/dev/start-relay-rococo.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-#/opt/parity/polkadot build-spec --chain rococo-local --disable-default-bootnode --raw > /opt/parity/rococo-local.json
+/opt/parity/polkadot build-spec --chain /opt/parity/chain-specs/rococo-local-v0.9.9-source.json --disable-default-bootnode --raw > /opt/parity/chain-specs/rococo-local-v0.9.9.json
 
 service relay-rococo-alice start
 sleep 5