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-rw-r--r--actionpack/lib/action_controller/caching/actions.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/caching/actions.rb b/actionpack/lib/action_controller/caching/actions.rb
index e89bf64026..43ddf6435a 100644
--- a/actionpack/lib/action_controller/caching/actions.rb
+++ b/actionpack/lib/action_controller/caching/actions.rb
@@ -92,6 +92,8 @@ module ActionController #:nodoc:
return unless caching_allowed?
content = response_body
+ content = content.join if content.is_a?(Array)
+
write_fragment(name, content, options)
end