1 files changed, 1 insertions, 1 deletions
diff --git a/data/tweaks/viewSource.js b/data/tweaks/viewSource.js
index fdf92d3..2415531 100644
--- a/data/tweaks/viewSource.js
+++ b/data/tweaks/viewSource.js
@@ -42,7 +42,7 @@ function viewAttachmentSource(attachments) {
     if (!att.id) {
       return;
     }
-    var typeName = att.name;
+    var typeName = att.mimeType;
     var elem = att.element;
     var id = att.id;
     var attachHref = elem.getAttribute("href");