diff -r 1b99acacc5bb -r fe49cff3c571 ui/common/context.c
--- a/ui/common/context.c	Fri Dec 11 11:47:30 2020 +0100
+++ b/ui/common/context.c	Sun May 23 09:44:43 2021 +0200
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <inttypes.h>
+#include <stdarg.h>
 
 #include "context.h"
 #include "../ui/window.h"