diff --git a/Library/Homebrew/dev-cmd/bump.rb b/Library/Homebrew/dev-cmd/bump.rb
index c22f2bb4dfb176b8bbb96fabae0fd05f2e6355ec..097227630d8934503bdbb7bd774f33c2052368bc 100644
--- a/Library/Homebrew/dev-cmd/bump.rb
+++ b/Library/Homebrew/dev-cmd/bump.rb
@@ -27,7 +27,6 @@ module Homebrew
 
     requested_formula = args.formula
     requested_limit = args.limit.to_i if args.limit.present?
-    requested_formula&.downcase!
 
     raise FormulaUnavailableError, requested_formula if requested_formula && !validate_formula(requested_formula)