diff --git a/gdk/macos/gdkmacosseat.c b/gdk/macos/gdkmacosseat.c
index b003bb7ca6..b555002dd4 100644
--- a/gdk/macos/gdkmacosseat.c
+++ b/gdk/macos/gdkmacosseat.c
@@ -348,7 +348,7 @@ _gdk_macos_seat_new (GdkMacosDisplay *display)
 
   init_devices (self);
 
-  return g_steal_pointer (&self);
+  return GDK_SEAT (g_steal_pointer (&self));
 }
 
 static GdkDeviceToolType