diff --git a/smartmetconf/plugins/wms.conf b/smartmetconf/plugins/wms.conf
index ed984d1..43cc582 100644
--- a/smartmetconf/plugins/wms.conf
+++ b/smartmetconf/plugins/wms.conf
@@ -162,7 +162,7 @@ templates:
 cache =
 {
   memory_bytes        = 4294967296L; # 4 GB
-  filesystem_bytes      = 0; # 2 GB
+  filesystem_bytes      = 0L; # 0 GB
   directory         = "/var/smartmet/cache/imagecache";
 };