diff --git a/src/compositor-fbdev.c b/src/compositor-fbdev.c
index e703e0e..138aaab 100644
--- a/src/compositor-fbdev.c
+++ b/src/compositor-fbdev.c
@@ -114,12 +114,10 @@
 static void
 fbdev_output_start_repaint_loop(struct weston_output *output)
 {
-	uint32_t msec;
-	struct timeval tv;
+	struct timespec ts;
 
-	gettimeofday(&tv, NULL);
-	msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
-	weston_output_finish_frame(output, msec);
+	clock_gettime(output->compositor->presentation_clock, &ts);
+	weston_output_finish_frame(output, &ts);
 }
 
 static void
@@ -883,6 +881,10 @@
 	                           config) < 0)
 		goto out_free;
 
+	if (weston_compositor_set_presentation_clock_software(
+							&compositor->base) < 0)
+		goto out_compositor;
+
 	compositor->udev = udev_new();
 	if (compositor->udev == NULL) {
 		weston_log("Failed to initialize udev context.\n");