diff --git a/charts/erigon/values.yaml b/charts/erigon/values.yaml
index 40b9f5df..83448c9b 100644
--- a/charts/erigon/values.yaml
+++ b/charts/erigon/values.yaml
@@ -73,7 +73,7 @@ defaultCommandRPCDaemonTemplate: |
   - sh
   - -ac
   - >
-    while ! nc -z 127.0.0.1 9090; do sleep 1; done;
+    until timeout 1 bash -c ">/dev/tcp/127.0.0.1/9090" 2>/dev/null; do echo "Waiting for erigon..."; sleep 1; done;
     exec rpcdaemon
     --datadir=/data
     --private.api.addr=127.0.0.1:9090