diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c
index a04f7f3..014de26 100644
--- a/src/northbridge/intel/gm45/northbridge.c
+++ b/src/northbridge/intel/gm45/northbridge.c
@@ -289,7 +289,7 @@
 {
 	int dev, fn, bit_base;
 
-	struct device *const d0f0 = dev_find_slot(0, 0);
+	struct device *const d0f0 = pcidev_on_root(0x0, 0);
 
 	/* Hide internal functions based on devicetree info. */
 	for (dev = 3; dev > 0; --dev) {
diff --git a/src/northbridge/intel/x4x/northbridge.c b/src/northbridge/intel/x4x/northbridge.c
index af3019c..ab58c94 100644
--- a/src/northbridge/intel/x4x/northbridge.c
+++ b/src/northbridge/intel/x4x/northbridge.c
@@ -239,7 +239,7 @@
 {
 	int dev, fn, bit_base;
 
-	struct device *const d0f0 = dev_find_slot(0, 0);
+	struct device *const d0f0 = pcidev_on_root(0x0, 0);
 
 	/* Hide internal functions based on devicetree info. */
 	for (dev = 6; dev > 0; --dev) {