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-rw-r--r--actionpack/lib/action_dispatch/http/headers.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/http/headers.rb b/actionpack/lib/action_dispatch/http/headers.rb
index 8e238963c8..b70fee4a84 100644
--- a/actionpack/lib/action_dispatch/http/headers.rb
+++ b/actionpack/lib/action_dispatch/http/headers.rb
@@ -86,7 +86,7 @@ module ActionDispatch
end
end
- def env; @req.env; end
+ def env; @req.env.dup; end
private