diff --git a/unused.rb b/unused.rb
index 579f2c2..913c9dc 100755
--- a/unused.rb
+++ b/unused.rb
@@ -125,7 +125,7 @@ def find_usages_in_files(files, xibs, items_in)
     items = items_in
     usages = items.map { |f| 0 }
     files.each { |file|
-      lines = File.readlines(file).map {|line| line.gsub(/^[^\/]*\/\/.*/, "")  }
+      lines = File.readlines(file).map {|line| line.gsub(/^([^\/]*)\/\/.*/, '\1')  }
       words = lines.join("\n").split(/\W+/)
       words_arrray = words.group_by { |w| w }.map { |w, ws| [w, ws.length] }.flatten