diff --git a/voltha-adapter-openolt/templates/adapters-openolt.yaml b/voltha-adapter-openolt/templates/adapters-openolt.yaml
index f049cde..672f2b6 100644
--- a/voltha-adapter-openolt/templates/adapters-openolt.yaml
+++ b/voltha-adapter-openolt/templates/adapters-openolt.yaml
@@ -88,7 +88,7 @@
             - "--core_topic=rwcore"
             - "--kv_store_host={{ .Values.services.etcd.service }}"
             - "--kv_store_port={{ .Values.services.etcd.port }}"
-            - "-log_level={{ $log_level }}"
+            - "--log_level={{ $log_level }}"
             - "--probe_port=8080"
           livenessProbe:
             httpGet: