diff --git a/addons/im_livechat/static/src/composer/suggestion_service_patch.js b/addons/im_livechat/static/src/composer/suggestion_service_patch.js
index 1981e15606a..e19ca9f86fc 100644
--- a/addons/im_livechat/static/src/composer/suggestion_service_patch.js
+++ b/addons/im_livechat/static/src/composer/suggestion_service_patch.js
@@ -8,7 +8,7 @@ import { patch } from "@web/core/utils/patch";
 
 patch(SuggestionService.prototype, "im_livechat", {
     getSupportedDelimiters(thread) {
-        return thread?.type === "livechat"
+        return thread?.model !== "discuss.channel" || thread.type === "livechat"
             ? [...this._super(...arguments), [":"]]
             : this._super(...arguments);
     },