diff --git a/conf/nginx.conf b/conf/nginx.conf
index d1c54ad..f1da700 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -35,7 +35,22 @@ location ^~ __PATH__/ {
     }
 
     ## disable all access to the following directories
-    location ~ ^__PATH__/(config/|tmp/|core/|lang/) {
+    location ^~ __PATH__/config/ {
+        deny all;
+        return 403;
+    }
+
+    location ^~ __PATH__/tmp/ {
+        deny all;
+        return 403;
+    }
+
+    location ^~ __PATH__/core/ {
+        deny all;
+        return 403;
+    }
+
+    location ^~ __PATH__/lang/ {
         deny all;
         return 403;
     }