1 files changed, 1 insertions, 0 deletions

diff --git a/fastiv.c b/fastiv.c
index f5fd463..4d2da78 100644
--- a/fastiv.c
+++ b/fastiv.c
@@ -22,6 +22,7 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 
 #include <fnmatch.h>