diff --git a/native/chat/settings/thread-settings-description.react.js b/native/chat/settings/thread-settings-description.react.js
--- a/native/chat/settings/thread-settings-description.react.js
+++ b/native/chat/settings/thread-settings-description.react.js
@@ -228,7 +228,7 @@
   };
 
   onPressEdit = () => {
-    this.props.setDescriptionEditValue(this.props.threadInfo.description);
+    this.props.setDescriptionEditValue(this.props.threadInfo.description ?? '');
   };
 
   onSubmit = () => {