diff --git a/container.yaml b/container.yaml
index 76d17ae..7b17409 100644
--- a/container.yaml
+++ b/container.yaml
@@ -2,7 +2,7 @@ compose:
     modules:
     - endless-sky:master
 flatpak:
-    id: io.github.EndlessSky.endless-sky
+    id: io.github.endless_sky.endless_sky
     branch: stable
     command: endless-sky
     rename-appdata-file: endless-sky.appdata.xml