diff --git a/packaging/wesnoth.appdata.xml b/packaging/wesnoth.appdata.xml
index d5c6356eec1..a51e1c1bbe5 100644
--- a/packaging/wesnoth.appdata.xml
+++ b/packaging/wesnoth.appdata.xml
@@ -4,7 +4,7 @@
   <id>wesnoth.desktop</id>
   <launchable type="desktop-id">wesnoth.desktop</launchable>
   <metadata_license>GFDL-1.3</metadata_license>
-  <project_license> GPL-2.0-or-later</project_license>
+  <project_license>GPL-2.0-or-later</project_license>
   <name>Battle for Wesnoth</name>
   <name xml:lang="de">Battle for Wesnoth</name>
   <name xml:lang="es">La batalla por Wesnoth</name>