diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index fd4cb4911671..3bdaedc6d864 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -436,7 +436,7 @@ static irqreturn_t das800_interrupt(int irq, void *d)
 	struct comedi_cmd *cmd;
 	unsigned long irq_flags;
 	unsigned int status;
-	unsigned int val;
+	unsigned short val;
 	bool fifo_empty;
 	bool fifo_overflow;
 	int i;