diff --git a/webapp/components/Chat/Chat.vue b/webapp/components/Chat/Chat.vue
index 0671891cb..1d22a0a39 100644
--- a/webapp/components/Chat/Chat.vue
+++ b/webapp/components/Chat/Chat.vue
@@ -334,7 +334,7 @@ export default {
         ;[...this.messages, ...Message].forEach((m) => {
           if (m.senderId !== this.currentUser.id) m.seen = true
           m.date = new Date(m.date).toDateString()
-          if (!m.avatar.startsWith('/api/')) {
+          if (!m.avatar?.startsWith('/api/')) {
             m.avatar = this.$filters.proxyApiUrl(m.avatar)
           }
           msgs[m.indexId] = m