diff --git a/kcms/desktoptheme/plasma-themes.knsrc b/kcms/desktoptheme/plasma-themes.knsrc
--- a/kcms/desktoptheme/plasma-themes.knsrc
+++ b/kcms/desktoptheme/plasma-themes.knsrc
@@ -39,7 +39,7 @@
 Name[zh_TW]=Plasma 主題
 
 ProvidersUrl=https://download.kde.org/ocs/providers.xml
-Categories=Plasma Theme
+Categories=Plasma 5 Theme
 StandardResource=tmp
 InstallationCommand=kpackagetool5 -t Plasma/Theme -i %f
 UninstallCommand=kpackagetool5 -t Plasma/Theme -r %f