diff --git a/bin/brewfile b/bin/brewfile
index 18e2751..77f67d5 100644
--- a/bin/brewfile
+++ b/bin/brewfile
@@ -6,8 +6,8 @@ if os != "Darwin\n"
   exit 1
 end
 
-brewlist = `brew list`
-casklist = `brew cask list` 
+brewlist = `brew list --formula`
+casklist = `brew list --cask` 
 
 puts
 puts "tap \'caskroom/cask\'"