diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 5d9301de17786bd35613e4eecda23ef48f5c35d6..5695a79f3a5262fe3701752a41cce19b43fff937 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -424,7 +424,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
 				start = simple_strtoul(buf, &buf, 0);
 				pnp_res = pnp_add_irq_resource(dev, start, 0);
 				if (pnp_res)
-					nirq++;
+					pnp_res->index = nirq++;
 				continue;
 			}
 			if (!strnicmp(buf, "dma", 3)) {