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-rw-r--r--actionpack/lib/action_dispatch/middleware/request_id.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/request_id.rb b/actionpack/lib/action_dispatch/middleware/request_id.rb
index 805d3f2148..da2871b551 100644
--- a/actionpack/lib/action_dispatch/middleware/request_id.rb
+++ b/actionpack/lib/action_dispatch/middleware/request_id.rb
@@ -30,7 +30,7 @@ module ActionDispatch
private
def make_request_id(request_id)
if request_id.presence
- request_id.gsub(/[^\w\-]/, "".freeze).first(255)
+ request_id.gsub(/[^\w\-@]/, "".freeze).first(255)
else
internal_request_id
end