diff --git a/deps/rabbitmq_management_agent/src/rabbit_mgmt_format.erl b/deps/rabbitmq_management_agent/src/rabbit_mgmt_format.erl
index b0362df2ee1e..5a333801ea24 100644
--- a/deps/rabbitmq_management_agent/src/rabbit_mgmt_format.erl
+++ b/deps/rabbitmq_management_agent/src/rabbit_mgmt_format.erl
@@ -540,10 +540,13 @@ clean_channel_details(Obj) ->
          undefined -> Obj0;
          Chd ->
              pset(channel_details,
-                  lists:keydelete(pid, 1, Chd),
+                  format_channel_details(lists:keydelete(pid, 1, Chd)),
                   Obj0)
      end.
 
+format_channel_details([]) -> #{};
+format_channel_details(Any) -> Any.
+
 -spec format_consumer_arguments(proplists:proplist()) -> proplists:proplist().
 format_consumer_arguments(Obj) ->
     case pget(arguments, Obj) of