1 files changed, 1 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index f98d5b3777..5226ff0cbe 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -151,9 +151,7 @@ module ActiveSupport #:nodoc:
     end
 
     def %(args)
-      args = Array(args)
-
-      args.map! do |arg|
+      args = Array(args).map do |arg|
         if !html_safe? || arg.html_safe?
           arg
         else