diff --git a/lib/server/rest.js b/lib/server/rest.js
index 03282685..845b4d8e 100644
--- a/lib/server/rest.js
+++ b/lib/server/rest.js
@@ -262,14 +262,12 @@
             if (!files.from) {
                 callback(body);
             } else {
-                from        = mellow.pathToWin(files.from);
+                from    = mellow.pathToWin(files.from);
                 
                 if (files.to)
-                    to      = mellow.pathToWin(files.to);
+                    to  = mellow.pathToWin(files.to);
                 else
-                    ['.zip', '.tar.gz', '.gz'].forEach(function(str) {
-                        to = files.from.replace(str);
-                    });
+                    to = files.from.replace(/(\.gz|\.tar\.gz)$/, '');
                 
               packer.unpack(from, to, function(error) {
                     var name    = path.basename(files.from),