diff --git a/build-aux/meson/postinstall.py b/build-aux/meson/postinstall.py
index f39c172..bf964f5 100755
--- a/build-aux/meson/postinstall.py
+++ b/build-aux/meson/postinstall.py
@@ -11,3 +11,6 @@ destdir = environ.get('DESTDIR', '')
 if not destdir:
     print('Updating icon cache...')
     call(['gtk-update-icon-cache', '-qtf', path.join(datadir, 'icons', 'hicolor')])
+
+    print('Updating desktop database...')
+    call(['update-desktop-database', '-q', path.join(datadir, 'applications')])