diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index e4daf4635c48e44646d3f6de5f6fb939ae4f4930..c47dd252f4491896ebed25eb91620a7b46af2b9b 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -117,6 +117,7 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev)
 static void quirk_system_pci_resources(struct pnp_dev *dev)
 {
 	struct pci_dev *pdev = NULL;
+	struct resource *res;
 	resource_size_t pnp_start, pnp_end, pci_start, pci_end;
 	int i, j;
 
@@ -176,7 +177,8 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
 					pci_name(pdev), i,
 					(unsigned long long) pci_start,
 					(unsigned long long) pci_end);
-				pnp_mem_flags(dev, j) = 0;
+				res = pnp_get_resource(dev, IORESOURCE_MEM, j);
+				res->flags = 0;
 			}
 		}
 	}