diff --git a/clients/simple-damage.c b/clients/simple-damage.c
index d171fb32..6b099bd6 100644
--- a/clients/simple-damage.c
+++ b/clients/simple-damage.c
@@ -337,6 +337,8 @@ create_window(struct display *display, int width, int height,
 					  &xdg_toplevel_listener, window);
 
 		xdg_toplevel_set_title(window->xdg_toplevel, "simple-damage");
+		xdg_toplevel_set_app_id(window->xdg_toplevel,
+					"org.freedesktop.weston.simple-damage");
 
 		window->wait_for_configure = true;
 		wl_surface_commit(window->surface);
diff --git a/clients/simple-dmabuf-egl.c b/clients/simple-dmabuf-egl.c
index 71479ddf..33df4cf9 100644
--- a/clients/simple-dmabuf-egl.c
+++ b/clients/simple-dmabuf-egl.c
@@ -680,6 +680,8 @@ create_window(struct display *display, int width, int height, int opts)
 					  &xdg_toplevel_listener, window);
 
 		xdg_toplevel_set_title(window->xdg_toplevel, "simple-dmabuf-egl");
+		xdg_toplevel_set_app_id(window->xdg_toplevel,
+				"org.freedesktop.weston.simple-dmabuf-egl");
 
 		window->wait_for_configure = true;
 		wl_surface_commit(window->surface);
diff --git a/clients/simple-dmabuf-feedback.c b/clients/simple-dmabuf-feedback.c
index 91ba0f72..2fc940c3 100644
--- a/clients/simple-dmabuf-feedback.c
+++ b/clients/simple-dmabuf-feedback.c
@@ -867,6 +867,10 @@ create_window(struct display *display)
 	xdg_toplevel_add_listener(window->xdg_toplevel, &xdg_toplevel_listener,
 				  window);
 
+	xdg_toplevel_set_title(window->xdg_toplevel, "simple-dmabuf-feedback");
+	xdg_toplevel_set_app_id(window->xdg_toplevel,
+			"org.freedesktop.weston.simple-dmabuf-feedback");
+
 	window->wait_for_configure = true;
 	wl_surface_commit(window->surface);
 
diff --git a/clients/simple-dmabuf-v4l.c b/clients/simple-dmabuf-v4l.c
index 568b9580..85dd7a3d 100644
--- a/clients/simple-dmabuf-v4l.c
+++ b/clients/simple-dmabuf-v4l.c
@@ -630,6 +630,8 @@ create_window(struct display *display)
 					  &xdg_toplevel_listener, window);
 
 		xdg_toplevel_set_title(window->xdg_toplevel, "simple-dmabuf-v4l");
+		xdg_toplevel_set_app_id(window->xdg_toplevel,
+				"org.freedesktop.weston.simple-dmabuf-v4l");
 
 		window->wait_for_configure = true;
 		wl_surface_commit(window->surface);
diff --git a/clients/simple-egl.c b/clients/simple-egl.c
index 99c10418..a0f418a5 100644
--- a/clients/simple-egl.c
+++ b/clients/simple-egl.c
@@ -386,6 +386,8 @@ create_surface(struct window *window)
 				  &xdg_toplevel_listener, window);
 
 	xdg_toplevel_set_title(window->xdg_toplevel, "simple-egl");
+	xdg_toplevel_set_app_id(window->xdg_toplevel,
+			"org.freedesktop.weston.simple-egl");
 
 	window->wait_for_configure = true;
 	wl_surface_commit(window->surface);
diff --git a/clients/simple-shm.c b/clients/simple-shm.c
index fe3ef240..1c2bea9e 100644
--- a/clients/simple-shm.c
+++ b/clients/simple-shm.c
@@ -190,6 +190,9 @@ create_window(struct display *display, int width, int height)
 					  &xdg_toplevel_listener, window);
 
 		xdg_toplevel_set_title(window->xdg_toplevel, "simple-shm");
+		xdg_toplevel_set_app_id(window->xdg_toplevel,
+				"org.freedesktop.weston.simple-shm");
+
 		wl_surface_commit(window->surface);
 		window->wait_for_configure = true;
 	} else if (display->fshell) {