diff --git a/src/chipset/intel_420ex.c b/src/chipset/intel_420ex.c
index 1590bc34c..11c66b833 100644
--- a/src/chipset/intel_420ex.c
+++ b/src/chipset/intel_420ex.c
@@ -19,6 +19,7 @@
 #include <string.h>
 #include <wchar.h>
 #include <86box/86box.h>
+#include "cpu.h"
 #include <86box/device.h>
 #include <86box/io.h>
 #include <86box/apm.h>
diff --git a/src/chipset/intel_sio.c b/src/chipset/intel_sio.c
index 8c75e88c2..10b1b7380 100644
--- a/src/chipset/intel_sio.c
+++ b/src/chipset/intel_sio.c
@@ -18,6 +18,7 @@
 #include <string.h>
 #include <wchar.h>
 #include <86box/86box.h>
+#include "cpu.h"
 #include <86box/device.h>
 #include <86box/io.h>
 #include <86box/apm.h>