diff --git a/libweston/compositor-fbdev.c b/libweston/compositor-fbdev.c
index f5aa44b..4b3605c 100644
--- a/libweston/compositor-fbdev.c
+++ b/libweston/compositor-fbdev.c
@@ -485,6 +485,9 @@
 	if (!base->enabled)
 		return 0;
 
+	wl_event_source_remove(output->finish_frame_timer);
+	output->finish_frame_timer = NULL;
+
 	pixman_renderer_output_destroy(&output->base);
 	fbdev_frame_buffer_unmap(output);