diff --git a/qt/anki.desktop b/qt/anki.desktop
index fb4ac4f83..374a4b5df 100644
--- a/qt/anki.desktop
+++ b/qt/anki.desktop
@@ -9,4 +9,4 @@ Categories=Education;Languages;KDE;Qt;
 Terminal=false
 Type=Application
 Version=1.0
-MimeType=application/x-apkg;application/x-anki;
+MimeType=application/x-apkg;application/x-anki;application/x-ankiaddon;
diff --git a/qt/anki.xml b/qt/anki.xml
index 09fdc9c69..5bfd2ca0f 100644
--- a/qt/anki.xml
+++ b/qt/anki.xml
@@ -11,4 +11,9 @@
    <glob pattern="*.apkg"/>
    </mime-type>
 
+   <mime-type type="application/x-ankiaddon">  
+   <comment>Anki 2.1 add-on package</comment>
+   <glob pattern="*.ankiaddon"/>
+   </mime-type>
+
  </mime-info>