fixes #1149

app/models/artist.rb

@@ -114,7 +114,7 @@ class Artist < ActiveRecord::Base
       Artist.new.tap do |artist|
         if params[:name]
           artist.name = params[:name]
-          post = Post.tag_match("source:http* #{artist.name}").first
+          post = Post.tag_match("source:http #{artist.name}").first
           unless post.nil? || post.source.blank?
             artist.url_string = post.source
           end