diff --git a/drivers/uwb/umc-dev.c b/drivers/uwb/umc-dev.c
index 1fc7d82..43ea998 100644
--- a/drivers/uwb/umc-dev.c
+++ b/drivers/uwb/umc-dev.c
@@ -6,6 +6,7 @@
  * This file is released under the GNU GPL v2.
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/uwb/umc.h>
 
 static void umc_device_release(struct device *dev)