diff --git a/build-aux/flatpak/org.gnome.Loupe.Devel.json b/build-aux/flatpak/org.gnome.Loupe.Devel.json
index 57dc727..4ce6a64 100644
--- a/build-aux/flatpak/org.gnome.Loupe.Devel.json
+++ b/build-aux/flatpak/org.gnome.Loupe.Devel.json
@@ -1,5 +1,5 @@
 {
-    "app-id" : "org.gnome.Loupe.Devel",
+    "id" : "org.gnome.Loupe.Devel",
     "runtime" : "org.gnome.Platform",
     "runtime-version" : "master",
     "sdk" : "org.gnome.Sdk",