diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 6ded527169f4..688421de9d79 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -396,7 +396,8 @@ int pnp_check_irq(struct pnp_dev * dev, int idx)
 	/* check if the resource is already in use, skip if the
 	 * device is active because it itself may be in use */
 	if(!dev->active) {
-		if (request_irq(*irq, pnp_test_handler, SA_INTERRUPT, "pnp", NULL))
+		if (request_irq(*irq, pnp_test_handler,
+				SA_INTERRUPT|SA_PROBEIRQ, "pnp", NULL))
 			return 0;
 		free_irq(*irq, NULL);
 	}