diff --git a/e2e/scripts/start_orchestrator_after_validator_created.sh b/e2e/scripts/start_orchestrator_after_validator_created.sh
index 3a884b89..86d41f78 100644
--- a/e2e/scripts/start_orchestrator_after_validator_created.sh
+++ b/e2e/scripts/start_orchestrator_after_validator_created.sh
@@ -67,6 +67,7 @@ else
     --core.rpc.port="${CORE_RPC_PORT}" \
     --core.grpc.host="${CORE_GRPC_HOST}" \
     --core.grpc.port="${CORE_GRPC_PORT}" \
+    --grpc.insecure \
     --p2p.listen-addr="${P2P_LISTEN}" \
     --p2p.bootstrappers="${P2P_BOOTSTRAPPERS}" \
     --evm.passphrase=123