diff --git a/master/sdo_request.c b/master/sdo_request.c
index b61c5feb..0e4e8d2d 100644
--- a/master/sdo_request.c
+++ b/master/sdo_request.c
@@ -38,6 +38,7 @@
 /*****************************************************************************/
 
 #include <linux/module.h>
+#include <linux/jiffies.h>
 
 #include "sdo_request.h"