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-rw-r--r--lib/action_cable/connection/identification.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/action_cable/connection/identification.rb b/lib/action_cable/connection/identification.rb
index 431493aa70..76cb7d5ea1 100644
--- a/lib/action_cable/connection/identification.rb
+++ b/lib/action_cable/connection/identification.rb
@@ -35,7 +35,7 @@ module ActionCable
def connection_gid(ids)
ids.map do |o|
if o.respond_to? :to_global_id
- o.to_global_id
+ o.to_global_id.to_s
else
o.to_s
end