1 files changed, 1 insertions, 0 deletions

diff --git a/auth.c b/auth.c
index 84aa2c5e..2370e5c2 100644
--- a/auth.c
+++ b/auth.c
@@ -49,6 +49,7 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "xmalloc.h"
 #include "match.h"