diff --git a/data/appdata/org.gnome.Calendar.appdata.xml.in.in b/data/appdata/org.gnome.Calendar.appdata.xml.in.in
index b22654fc..e7f72c7c 100644
--- a/data/appdata/org.gnome.Calendar.appdata.xml.in.in
+++ b/data/appdata/org.gnome.Calendar.appdata.xml.in.in
@@ -58,7 +58,7 @@
   <url type="contribute">https://wiki.gnome.org/Contribute</url>
   <project_group>GNOME</project_group>
   <developer_name>The GNOME Project</developer_name>
-  <developer id="gnome.org">
+  <developer id="org.gnome">
     <name>The GNOME Project</name>
   </developer>