diff --git a/meson/post_install.py b/meson/post_install.py
index f54f6ef..09828fa 100644
--- a/meson/post_install.py
+++ b/meson/post_install.py
@@ -1,10 +1,17 @@
 #!/usr/bin/env python3
 
-import os
+from os import path, environ
 import subprocess
 
-schemadir = os.path.join(os.environ['MESON_INSTALL_PREFIX'], 'share', 'glib-2.0', 'schemas')
+prefix = environ.get('MESON_INSTALL_PREFIX', '/usr/local')
+schemadir = path.join(environ['MESON_INSTALL_PREFIX'], 'share', 'glib-2.0', 'schemas')
+datadir = path.join(prefix, 'share')
+desktop_database_dir = path.join(datadir, 'applications')
 
-if not os.environ.get('DESTDIR'):
-	print('Compiling gsettings schemas...')
-subprocess.call(['glib-compile-schemas', schemadir])
+if not environ.get('DESTDIR'):
+	print('Compiling gsettings schemas…')
+	subprocess.call(['glib-compile-schemas', schemadir])
+	print('Updating desktop database…')
+	subprocess.call(['update-desktop-database', '-q', desktop_database_dir])
+	print('Updating icon cache…')
+	subprocess.call(['gtk-update-icon-cache', '-qtf', path.join(datadir, 'icons', 'hicolor')])