1 files changed, 1 insertions, 0 deletions

diff --git a/src/r128.h b/src/r128.h
index eced5c7f..b37b3ce2 100644
--- a/src/r128.h
+++ b/src/r128.h
@@ -38,6 +38,7 @@
 #ifndef _R128_H_
 #define _R128_H_
 
+#include <unistd.h>
 #include "xf86str.h"
 
 				/* PCI support */