diff --git a/metadata/de.msal.muzei.nationalgeographic.txt b/metadata/de.msal.muzei.nationalgeographic.txt
index 82c03da700..92ea854661 100644
--- a/metadata/de.msal.muzei.nationalgeographic.txt
+++ b/metadata/de.msal.muzei.nationalgeographic.txt
@@ -1,4 +1,4 @@
-Categories:Multimedia
+Categories:Multimedia,Wallpaper
 License:GPLv3
 Web Site:https://github.com/msal/muzei-nationalgeographic
 Source Code:https://github.com/msal/muzei-nationalgeographic