1 files changed, 2 insertions, 0 deletions
diff --git a/addons/mail/static/src/js/thread_widget.js b/addons/mail/static/src/js/thread_widget.js
index e5902602a77..9550931ad95 100644
--- a/addons/mail/static/src/js/thread_widget.js
+++ b/addons/mail/static/src/js/thread_widget.js
@@ -68,6 +68,7 @@ var ThreadWidget = Widget.extend({
             displayEmailIcons: true,
             displayReplyIcons: false,
             loadMoreOnScroll: false,
+            hasMessageAttachmentDeletable: false,
         });
         // options when the thread is disabled
         this._disabledOptions = {
@@ -81,6 +82,7 @@ var ThreadWidget = Widget.extend({
             displayEmailIcons: false,
             displayReplyIcons: false,
             loadMoreOnScroll: this._enabledOptions.loadMoreOnScroll,
+            hasMessageAttachmentDeletable: false,
         };
         this._selectedMessageID = null;
         this._currentThreadID = null;