diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c
index 95c2a07..a2ae52c 100644
--- a/src/soc/amd/stoneyridge/northbridge.c
+++ b/src/soc/amd/stoneyridge/northbridge.c
@@ -26,6 +26,7 @@
 #include <cpu/cpu.h>
 #include <cpu/x86/lapic_def.h>
 #include <cpu/x86/msr.h>
+#include <cpu/amd/msr.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>