diff --git a/src/components/Mention/suggestion.js b/src/components/Mention/suggestion.js
index 0985118a2c9..6bbf3aa0d61 100644
--- a/src/components/Mention/suggestion.js
+++ b/src/components/Mention/suggestion.js
@@ -36,7 +36,7 @@ export default ({ session, params }) => ({
 	},
 
 	command: ({ editor, range, props }) => {
-		if (params.emitMention) {
+		if (params?.emitMention) {
 			params.emitMention({ props })
 		} else {
 			emitMention({