From 8a0cc70cfec2fa03baab4c7abf4e4f4d1be88dc6 Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Mon, 7 Sep 2020 11:16:52 +0200
Subject: [PATCH] fix: prev content error log in web

---
 lib/src/event.dart | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/src/event.dart b/lib/src/event.dart
index 0299acd..3c183e5 100644
--- a/lib/src/event.dart
+++ b/lib/src/event.dart
@@ -105,8 +105,10 @@ class Event extends MatrixEvent {
     try {
       this.prevContent = (prevContent != null && prevContent.isNotEmpty)
           ? prevContent
-          : (this.unsigned != null && this.unsigned['prev_content'] is Map)
-              ? this.unsigned['prev_content']
+          : (unsigned != null &&
+                  unsigned.containsKey('prev_content') &&
+                  unsigned['prev_content'] is Map)
+              ? unsigned['prev_content']
               : null;
     } catch (e, s) {
       Logs.error('Event constructor crashed: ${e.toString()}', s);