diff --git a/src/chipset/stpc.c b/src/chipset/stpc.c
index a3bc3992e..5efe9eb6a 100644
--- a/src/chipset/stpc.c
+++ b/src/chipset/stpc.c
@@ -524,7 +524,9 @@ stpc_setup(stpc_t *dev)
 {
     stpc_log("STPC: setup()\n");
 
+    uint32_t local = dev->local;
     memset(dev, 0, sizeof(stpc_t));
+    dev->local = local;
 
     /* Northbridge */
     dev->pci_conf[0][0x00] = 0x4a;