diff --git a/autoload/qiita.vim b/autoload/qiita.vim
index 88ba778..491c850 100644
--- a/autoload/qiita.vim
+++ b/autoload/qiita.vim
@@ -266,7 +266,7 @@ function! s:gettags(tags_string)
     return []
   endif
 
-  let tags_list = split(a:tags_string, '\s+')
+  let tags_list = split(a:tags_string, '\s\+')
   let ret = []
   " generate tags list.
   for id in tags_list