diff --git a/servicetypes/plasma-applet.desktop b/servicetypes/plasma-applet.desktop
index 661ab41b1..ea59221b5 100644
--- a/servicetypes/plasma-applet.desktop
+++ b/servicetypes/plasma-applet.desktop
@@ -56,6 +56,6 @@ Comment[x-test]=xxPlasma appletxx
 Comment[zh_CN]=Plasma 小程序
 Comment[zh_TW]=Plasma 小程式
 
-[PropertyDef::X-Plasma-Language]
+[PropertyDef::X-Plasma-API]
 Type=QString