diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index 12cb5e4..eaf5450 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -26,6 +26,7 @@
  ***********************************************************************/
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
+#include <linux/slab.h>
 
 #include "jsm.h"