diff --git a/lib/xtnd.coffee b/lib/xtnd.coffee
index d7371d8..82a0dbd 100644
--- a/lib/xtnd.coffee
+++ b/lib/xtnd.coffee
@@ -1,7 +1,7 @@
 xtnd = exports
 
 _guide = null
-_threeComponents = /^(https?):\/\/([^\/]*)(.*)$/
+_threeComponents = /^(https?)?:?\/\/([^\/]*)(.*)$/
 _twoComponents = /^\/\/([^\/]*)(.*)$/
 
 listToHash = (str) ->