diff --git a/data/org.gnome.Calendar.desktop.in.in b/data/org.gnome.Calendar.desktop.in.in
index 656f2812..0af46dfd 100644
--- a/data/org.gnome.Calendar.desktop.in.in
+++ b/data/org.gnome.Calendar.desktop.in.in
@@ -10,4 +10,5 @@ StartupNotify=true
 Categories=GNOME;GTK;Office;Calendar;Core;
 # Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
 Keywords=Calendar;Event;Reminder;
+MimeType=text/calendar;
 DBusActivatable=true