diff --git a/githooks/update b/githooks/update
index 1f0807304..e70a651a3 100755
--- a/githooks/update
+++ b/githooks/update
@@ -26,7 +26,7 @@ contents = contents.replace(/(src|href)="\/(.*?)\?[a-z0-9]*?"/g, function (a, b,
 		hash = crypto.createHash('md5').update(fstr).digest('hex').substr(0, 8);
 	} catch (e) {}
 
-	return b + '="' + c + '?' + hash + '"';
+	return b + '="/' + c + '?' + hash + '"';
 });
 
 // add news