diff --git a/src/dma.c b/src/dma.c
index 1c23c53c2..8bf60cdc8 100644
--- a/src/dma.c
+++ b/src/dma.c
@@ -18,6 +18,7 @@
  *          Copyright 2016-2020 Miran Grca.
  *          Copyright 2017-2020 Fred N. van Kempen.
  */
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <string.h>