diff --git a/mft/log.c b/mft/log.c
index ca80dff..843bde1 100644
--- a/mft/log.c
+++ b/mft/log.c
@@ -26,6 +26,7 @@
 #include <malloc.h>
 #include <unistd.h>
 #include <syslog.h>
+#include <errno.h>
 
 #include "mft.h"