diff --git a/gdk/wayland/gdkscreen-wayland.c b/gdk/wayland/gdkscreen-wayland.c
index b07483bc69..ee95107fb2 100644
--- a/gdk/wayland/gdkscreen-wayland.c
+++ b/gdk/wayland/gdkscreen-wayland.c
@@ -301,7 +301,13 @@ gdk_wayland_screen_is_composited (GdkScreen *screen)
 static gchar *
 gdk_wayland_screen_make_display_name (GdkScreen *screen)
 {
-  return NULL;
+  const gchar *name;
+
+  name = g_getenv ("WAYLAND_DISPLAY");
+  if (name == NULL)
+    name = "wayland-0";
+
+  return g_strdup (name);
 }
 
 static GdkWindow *