diff --git a/src/vblank.c b/src/vblank.c
index b7281360ee..78cb3bf547 100644
--- a/src/vblank.c
+++ b/src/vblank.c
@@ -229,6 +229,7 @@ static void *sgi_video_sync_thread(void *data) {
 	pthread_mutex_unlock(&args->start_mtx);
 
 cleanup:
+	log_deinit_tls();
 	if (dpy) {
 		glXMakeCurrent(dpy, None, NULL);
 		if (ctx) {