1 files changed, 1 insertions, 1 deletions

diff --git a/components/package/contents/ui/MailViewer.qml b/components/package/contents/ui/MailViewer.qml
index ecffa866..38d0d986 100644
--- a/components/package/contents/ui/MailViewer.qml
+++ b/components/package/contents/ui/MailViewer.qml
@@ -101,8 +101,8 @@ Item {
 
     TreeView {
         id: mailStructure
-        visible: false
         anchors.top: messageParser.attachments.rowCount() > 0 ? attachments.bottom : newMailViewer.bottom
+        visible: newMailViewer.debug
         width: parent.width
         height: 400
         TableViewColumn {