diff --git a/stack-orchestrator/compose/docker-compose-testnet-laconicd.yml b/stack-orchestrator/compose/docker-compose-testnet-laconicd.yml
index 9e22cf8..1f11c95 100644
--- a/stack-orchestrator/compose/docker-compose-testnet-laconicd.yml
+++ b/stack-orchestrator/compose/docker-compose-testnet-laconicd.yml
@@ -19,7 +19,7 @@ services:
       - "9090"
       - "1317"
     healthcheck:
-      test: ["CMD", "nc", "-vz", "127.0.0.1:26657"]
+      test: ["CMD", "nc", "-vz", "127.0.0.1", "26657"]
       interval: 30s
       timeout: 10s
       retries: 10