Index: uspace/srv/hid/isdv4_tablet/isdv4.c
===================================================================
--- uspace/srv/hid/isdv4_tablet/isdv4.c	(revision f9b2cb4cf365498e1fe141b1aa66950fbc3dcb17)
+++ uspace/srv/hid/isdv4_tablet/isdv4.c	(revision d2c8533502ff5b2f8ab86192d66ca356e4b9a813)
@@ -31,4 +31,5 @@
 #include <stdlib.h>
 #include <mem.h>
+#include <thread.h>
 
 #include "isdv4.h"
@@ -377,5 +378,5 @@
 		return EIO;
 
-	usleep(250000); /* 250 ms */
+	thread_usleep(250000); /* 250 ms */
 
 	// FIXME: Read all possible garbage before sending commands