diff --git a/libweston/backend-drm/drm.c b/libweston/backend-drm/drm.c
index 647e3dc70..0f8bb7ef4 100644
--- a/libweston/backend-drm/drm.c
+++ b/libweston/backend-drm/drm.c
@@ -930,6 +930,7 @@ drm_output_apply_mode(struct drm_output *output)
 {
 	struct drm_device *device = output->device;
 	struct drm_backend *b = device->backend;
+	struct weston_size fb_size;
 
 	/* XXX: This drops our current buffer too early, before we've started
 	 *      displaying it. Ideally this should be much more atomic and
@@ -939,6 +940,11 @@ drm_output_apply_mode(struct drm_output *output)
 	 */
 	device->state_invalid = true;
 
+	fb_size.width = output->base.current_mode->width;
+	fb_size.height = output->base.current_mode->height;
+
+	weston_renderer_resize_output(&output->base, &fb_size, NULL);
+
 	if (b->compositor->renderer->type == WESTON_RENDERER_PIXMAN) {
 		drm_output_fini_pixman(output);
 		if (drm_output_init_pixman(output, b) < 0) {