1 files changed, 1 insertions, 0 deletions
diff --git a/udev.c b/udev.c
index dfb2baddbc..839bfa6520 100644
--- a/udev.c
+++ b/udev.c
@@ -28,6 +28,7 @@
 #include <ctype.h>
 #include <errno.h>
 #include <signal.h>
+#include <unistd.h>
 
 #include "libsysfs/sysfs/libsysfs.h"
 #include "udev.h"