From 1b12d08a0f8489f0f3970f6d5e40ed119127c856 Mon Sep 17 00:00:00 2001
From: hoffm <m@hof.fm>
Date: Wed, 20 Feb 2013 16:15:59 -0500
Subject: Backport #9347 to rails 3.2

---
 actionpack/lib/action_view/helpers/number_helper.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'actionpack/lib/action_view')

diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
index 4519230fda..ad86d13456 100644
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ b/actionpack/lib/action_view/helpers/number_helper.rb
@@ -593,7 +593,7 @@ module ActionView
 
         unit = case units
         when Hash
-          units[DECIMAL_UNITS[display_exponent]]
+          units[DECIMAL_UNITS[display_exponent]] || ''
         when String, Symbol
           I18n.translate(:"#{units}.#{DECIMAL_UNITS[display_exponent]}", :locale => options[:locale], :count => number.to_i)
         else
-- 
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