diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c
index 8b48d5a07179..f44bdc084cb2 100644
--- a/drivers/hid/hid-egalax.c
+++ b/drivers/hid/hid-egalax.c
@@ -16,6 +16,7 @@
 #include <linux/hid.h>
 #include <linux/module.h>
 #include <linux/usb.h>
+#include <linux/slab.h>
 #include "usbhid/usbhid.h"
 
 MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");