diff --git a/app/actions/websocket/channel.ts b/app/actions/websocket/channel.ts
index 57a70e1bf..8f01dfaa0 100644
--- a/app/actions/websocket/channel.ts
+++ b/app/actions/websocket/channel.ts
@@ -211,7 +211,7 @@ export async function handleChannelMemberUpdatedEvent(serverUrl: string, msg: an
             channelMemberships: [updatedChannelMember],
             prepareRecordsOnly: true,
         }));
-        const rolesRequest = await fetchRolesIfNeeded(serverUrl, updatedChannelMember.roles.split(','), true);
+        const rolesRequest = await fetchRolesIfNeeded(serverUrl, updatedChannelMember.roles.split(' '), true);
         if (rolesRequest.roles?.length) {
             models.push(...await operator.handleRole({roles: rolesRequest.roles, prepareRecordsOnly: true}));
         }