diff --git a/core/installer/values-tmpl/matrix-storage.yaml b/core/installer/values-tmpl/matrix-storage.yaml
index 7a4c129..9b9c56c 100644
--- a/core/installer/values-tmpl/matrix-storage.yaml
+++ b/core/installer/values-tmpl/matrix-storage.yaml
@@ -25,7 +25,7 @@
         scripts:
           init.sql: |
             CREATE USER matrix WITH PASSWORD 'matrix';
-            CREATE DATABASE matrix WITH OWNER = matrix ENCODING = UTF8 LOCALE = C TEMPLATE = template0;
+            CREATE DATABASE matrix WITH OWNER = matrix ENCODING = UTF8 LOCALE = 'C' TEMPLATE = template0;
       persistence:
         size: 10Gi
       securityContext: