Index: test/backends/static_test.rb
===================================================================
--- test/backends/static_test.rb	(revision 16213)
+++ test/backends/static_test.rb	(working copy)
@@ -91,9 +91,9 @@
     currency = number_to_currency(10, :format => "%n %u", :unit => '€')
     assert_equal "10.00 €", currency
   end
-
-  test "makes sure interpolation does not break even with False as string" do
-    assert_equal "translation missing: en, support, array, skip_last_comma", I18n.translate(:"support.array.skip_last_comma")
+  
+  test "makes sure false boolean values are returned as translated and not missing" do
+    assert_equal false, I18n.translate(:"support.array.skip_last_comma")
   end
 end
 
Index: lib/globalize/backend/static.rb
===================================================================
--- lib/globalize/backend/static.rb	(revision 16213)
+++ lib/globalize/backend/static.rb	(working copy)
@@ -11,16 +11,19 @@
 
       def translate(locale, key, options = {})
         result, default, fallback = nil, options.delete(:default), nil
-        I18n.fallbacks[locale].each do |fallback|
+        I18n.fallbacks[locale.to_sym].each do |fallback|
           begin
-            result = super(fallback, key, options) and break
+            result = super(fallback, key, options) # this super is going to activesupport/lib/active_support/vendor/i18n-0.0.1/i18n/backend/simple.rb
+            break if !result.nil?
           rescue I18n::MissingTranslationData
           end
         end
-        result ||= default locale, default, options
+        result = default locale, default, options if result.nil?
 
         attrs = {:requested_locale => locale, :locale => fallback, :key => key, :options => options}
-        translation(result, attrs) || raise(I18n::MissingTranslationData.new(locale, key, options))
+        translated_val = translation(result, attrs)
+        raise(I18n::MissingTranslationData.new(locale, key, options)) if translated_val.nil?
+        translated_val
       end
 
       protected
@@ -28,13 +31,11 @@
         alias :orig_interpolate :interpolate unless method_defined? :orig_interpolate
         def interpolate(locale, string, values = {})
           result = orig_interpolate(locale, string, values)
-          translation = translation(string)
-          translation.nil? ? result : translation.replace(result)
+          [FalseClass, TrueClass, Fixnum, Symbol, NilClass].include?(result.class) ? result : (translation(string).replace result) # the original line failed because rails translation yml files sometimes have boolean values
         end
 
         def translation(result, meta = nil)
-          return unless result
-
+          return if result.nil?
           case result
           when Numeric
             result
@@ -50,6 +51,8 @@
             result.map do |value|
               translation(value, meta)
             end
+          when FalseClass, TrueClass, Fixnum, Symbol, NilClass
+            result
           else
             result
             # raise "unexpected translation type: #{result.inspect}"