diff --git a/util/uuid.lua b/util/uuid.lua
index 4e2740a..571aa4a 100644
--- a/util/uuid.lua
+++ b/util/uuid.lua
@@ -1,11 +1,9 @@
 -- source: https://gist.github.com/jrus/3197011
 local random = math.random
-
 function mail.new_uuid()
     local template ='xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'
-    return string.gsub(template, '[xy]',
-		function (c)
-			local v = (c == 'x') and random(0, 0xf) or random(8, 0xb)
-			return string.format('%x', v)
-		end)
-end
+    return string.gsub(template, '[xy]', function (c)
+        local v = (c == 'x') and random(0, 0xf) or random(8, 0xb)
+        return string.format('%x', v)
+    end)
+end
\ No newline at end of file