diff --git a/hyperfocus/channel.py b/hyperfocus/channel.py
index 0ac5dd6..cd74910 100644
--- a/hyperfocus/channel.py
+++ b/hyperfocus/channel.py
@@ -83,7 +83,7 @@ class FocusChannel(Channel):
             {
                 "type": "DO",
                 "method": "delFocus",
-                "args": {"userid": profileid},
+                "args": {"userid": str(profileid)},
             },
             websocket=websocket,
         )