diff --git a/data/com.github.geigi.cozy.appdata.xml b/data/com.github.geigi.cozy.appdata.xml
index 450f1557..0360c705 100644
--- a/data/com.github.geigi.cozy.appdata.xml
+++ b/data/com.github.geigi.cozy.appdata.xml
@@ -2,7 +2,7 @@
 <component type="desktop">
   <id>com.github.geigi.cozy</id>
   <name translate="no">Cozy</name>
-  <metadata_license>CC0</metadata_license>
+  <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-3.0+</project_license>
   <launchable type="desktop-id">com.github.geigi.cozy.desktop</launchable>
   <translation type="gettext">com.github.geigi.cozy</translation>