diff --git a/lib/css.js b/lib/css.js
index e2746bd..61c920f 100644
--- a/lib/css.js
+++ b/lib/css.js
@@ -1,4 +1,4 @@
-var match = /url\((?:['"]*)(?!['"]*data:)(.*?)(?:['"]*)\)/g;
+var match = /url\((?:['"]*)(?!['"]*data:)(?:[^"'#].*?)(?:['"]*)\)/g;
 
 module.exports = {
   getImages: getImages,