diff --git a/kisfenyo-system/guacamole.yaml b/kisfenyo-system/guacamole.yaml
index 3364e41..332f568 100644
--- a/kisfenyo-system/guacamole.yaml
+++ b/kisfenyo-system/guacamole.yaml
@@ -202,7 +202,7 @@ spec:
               value: "5432"
             - name: POSTGRESQL_DATABASE
               value: guacamole_db
-            - name: POSTGRESQL_USER
+            - name: POSTGRESQL_USERNAME
               value: guacamole
             - name: POSTGRESQL_PASSWORD
               valueFrom: