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-rw-r--r--actionpack/lib/action_controller/caching.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/caching.rb b/actionpack/lib/action_controller/caching.rb
index e6849596db..a2259de46b 100644
--- a/actionpack/lib/action_controller/caching.rb
+++ b/actionpack/lib/action_controller/caching.rb
@@ -134,7 +134,7 @@ module ActionController #:nodoc:
private
def caching_allowed
- !@request.post?
+ !@request.post? && @response.headers['Status'] && @response.headers['Status'].to_i < 400
end
end