diff --git a/client/src/components/content-blocks/assignment/SubmissionInput.vue b/client/src/components/content-blocks/assignment/SubmissionInput.vue
index 489b151e..658f09e1 100644
--- a/client/src/components/content-blocks/assignment/SubmissionInput.vue
+++ b/client/src/components/content-blocks/assignment/SubmissionInput.vue
@@ -49,7 +49,7 @@ const emit = defineEmits(['input']);
 
 const containsEmoji = (text: string) => {
   const lastCharacter = Array.from(text)[Array.from(text).length - 1];
-  if (lastCharacter.charCodeAt(0)> 55000) //fix for the hand symbol 🖐️
+  if (lastCharacter && lastCharacter.charCodeAt(0)> 55000) //fix for the hand symbol 🖐️
     return true
   const emojiRegex = /\p{Emoji}/u;
   return emojiRegex.test(lastCharacter);