diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index 93a8f09173aa..1b0793f33b9f 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -81,6 +81,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/interrupt.h>