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-rw-r--r--actionpack/lib/action_dispatch/http/response.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index 32f9a0031d..4f35a00247 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -270,7 +270,7 @@ module ActionDispatch # :nodoc:
max_age = control[:max_age]
options = []
- options << "max-age=#{max_age}" if max_age
+ options << "max-age=#{max_age.to_i}" if max_age
options << (control[:public] ? "public" : "private")
options << "must-revalidate" if control[:must_revalidate]
options.concat(extras) if extras