diff --git a/experimental/chatproto3/lexicons/app/andref/chatproto3/channel.json b/experimental/chatproto3/lexicons/app/andref/chatproto3/channel.json
index d647915..3320498 100644
--- a/experimental/chatproto3/lexicons/app/andref/chatproto3/channel.json
+++ b/experimental/chatproto3/lexicons/app/andref/chatproto3/channel.json
@@ -15,8 +15,11 @@
             "maxGraphemes": 128
           },
           "writers": {
-            "type": "ref",
-            "ref": "app.andref.chatproto3.writers"
+            "type": "array",
+            "items": {
+              "type": "ref",
+              "ref": "app.andref.chatproto3.writers"
+            }
           }
         }
       }