diff --git a/Library/Homebrew/formulary.rb b/Library/Homebrew/formulary.rb
index 1f04ef3dde..c5d4569550 100644
--- a/Library/Homebrew/formulary.rb
+++ b/Library/Homebrew/formulary.rb
@@ -166,8 +166,9 @@ class Formulary
       elsif name_or_path.include? "/"
         # If name was a path or mapped to a cached formula
         f = FromPathLoader.new(name_or_path)
+      elsif name_or_path =~ /\.rb$/
+        f = FromPathLoader.new("./#{name_or_path}")
       else
-        # For names, map to the path and then require
         f = StandardLoader.new(name_or_path)
       end
     end