diff --git a/chart/environment-values/values.openwifi-qa.single-external-db.yaml b/chart/environment-values/values.openwifi-qa.single-external-db.yaml
index 034ccf9..ea59bc4 100644
--- a/chart/environment-values/values.openwifi-qa.single-external-db.yaml
+++ b/chart/environment-values/values.openwifi-qa.single-external-db.yaml
@@ -68,7 +68,7 @@ postgresql-ha:
     postgresPassword: postgres
     repmgrPassword: repmgr
     maxConnections: 1000
-    shared_buffers: 256MB
+    sharedBuffers: 256MB
 
     resources:
       requests: