diff --git a/kubernetes/values.yaml b/kubernetes/values.yaml
index b2f35ad9..d09f4226 100644
--- a/kubernetes/values.yaml
+++ b/kubernetes/values.yaml
@@ -301,7 +301,7 @@ jwt:
 postgres:
   pgSuperuserName: superuser
   pgSuperuserPassword: supersecret
-  username: oispuser
+  username: oisp_user
   password: supersecret
 
 # Docker image tag