From b46690d63e2383a70535603fa9298daa1a8a8d13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20La=20Scala?= <jeremy.lascala@epfl.ch>
Date: Tue, 18 Jun 2024 15:31:14 +0200
Subject: [PATCH] fix: check backend data is defined

---
 src/modules/question-view/QuestionView.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/modules/question-view/QuestionView.tsx b/src/modules/question-view/QuestionView.tsx
index 4d013765..13a93bce 100644
--- a/src/modules/question-view/QuestionView.tsx
+++ b/src/modules/question-view/QuestionView.tsx
@@ -56,7 +56,12 @@ const QuestionView = (): JSX.Element => {
 
   // Update the answer if the stored value change
   useEffect(() => {
-    if (status === 'success' && answer.length === 0 && !isInit) {
+    if (
+      status === 'success' &&
+      answer.length === 0 &&
+      !isInit &&
+      typeof userAnswer !== 'undefined'
+    ) {
       setAnswer(userAnswer?.answer ?? '');
       setIsInit(true);
     }