diff --git a/Syncer.js b/Syncer.js
index 1bdcce9..02bdcb9 100644
--- a/Syncer.js
+++ b/Syncer.js
@@ -431,7 +431,7 @@ class Syncer
{
byid[a.contentId||''] = a;
}
- msg.html = msg.html.replace(/(]*src=["']?)cid:([^'"\s]{1,256})/g, (m, m1, m2) =>
+ msg.html = (msg.html||'').replace(/(]*src=["']?)cid:([^'"\s]{1,256})/g, (m, m1, m2) =>
{
if (!byid[m2])
{
@@ -618,12 +618,12 @@ class Syncer
body_html: obj.html,
body_html_text: obj.html.replace(/