diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index e7cf6bec737ecf1d71e44102146a842370c1398b..9fefe563f8fc5bf27ee1a66c23fef4a65ef3be74 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -395,7 +395,8 @@ 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);
 	}