diff --git a/Library/Homebrew/cmd/man.rb b/Library/Homebrew/cmd/man.rb
index 536b27984973601ac468590f100dff5957b5e7c2..0191d76c79add3e9378edf7ec2f0e93b752ff389 100644
--- a/Library/Homebrew/cmd/man.rb
+++ b/Library/Homebrew/cmd/man.rb
@@ -38,7 +38,7 @@ module Homebrew
     convert_man_page(markup, TARGET_DOC_PATH/"brew.1.html")
     convert_man_page(markup, TARGET_MAN_PATH/"brew.1")
 
-    cask_markup = (HOMEBREW_LIBRARY/"Homebrew/cask/doc/man_page/brew-cask.1.md").read
+    cask_markup = (HOMEBREW_LIBRARY/"Homebrew/manpages/brew-cask.1.md").read
     convert_man_page(cask_markup, TARGET_MAN_PATH/"brew-cask.1")
   end
 
diff --git a/Library/Homebrew/cask/doc/man_page/brew-cask.1.md b/Library/Homebrew/manpages/brew-cask.1.md
similarity index 100%
rename from Library/Homebrew/cask/doc/man_page/brew-cask.1.md
rename to Library/Homebrew/manpages/brew-cask.1.md