diff --git a/lib/ably/realtime/connection.rb b/lib/ably/realtime/connection.rb
index c6916421..4f07ca48 100644
--- a/lib/ably/realtime/connection.rb
+++ b/lib/ably/realtime/connection.rb
@@ -375,6 +375,7 @@ def configure_new(connection_id, connection_key)
       # @api private
       def reset_resume_info
         @key    = nil
+        @id     = nil
       end
 
       # @!attribute [r] __outgoing_protocol_msgbus__
diff --git a/lib/ably/realtime/connection/connection_manager.rb b/lib/ably/realtime/connection/connection_manager.rb
index 69044113..05f81ce3 100644
--- a/lib/ably/realtime/connection/connection_manager.rb
+++ b/lib/ably/realtime/connection/connection_manager.rb
@@ -19,7 +19,8 @@ def initialize(connection)
         @connection     = connection
         @timers         = Hash.new { |hash, key| hash[key] = [] }
 
-        connection.unsafe_on(:closed) do
+        # RTN8c, RTN9c
+        connection.unsafe_on(:closing, :closed, :suspended, :failed) do
           connection.reset_resume_info
         end