diff --git a/gramps/gen/mime/_pythonmime.py b/gramps/gen/mime/_pythonmime.py
index d9dd7f5f6..979f3b86c 100644
--- a/gramps/gen/mime/_pythonmime.py
+++ b/gramps/gen/mime/_pythonmime.py
@@ -29,6 +29,8 @@ _type_map = {
     'application/x-gedcom' : 'GEDCOM database',
     'application/x-gramps-package': 'Gramps package',
     'image/jpeg' : 'JPEG image',
+    'image/tiff' : 'TIFF image',
+    'image/png' : 'PNG image',
     'application/pdf' : 'PDF document',
     'text/rtf' : 'Rich Text File',
 }