1 files changed, 1 insertions, 0 deletions
diff --git a/tail.c b/tail.c
index 7a64c4ca3..697177dc7 100644
--- a/tail.c
+++ b/tail.c
@@ -27,6 +27,7 @@
 #include "internal.h"
 
 #include <stdio.h>
+#include <stdarg.h>
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>