diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c
index 7be71c2cdc83e..f83bbe0acd4a1 100644
--- a/arch/x86/platform/intel-mid/intel-mid.c
+++ b/arch/x86/platform/intel-mid/intel-mid.c
@@ -22,6 +22,7 @@
 #include <asm/mpspec_def.h>
 #include <asm/hw_irq.h>
 #include <asm/apic.h>
+#include <asm/cpu_device_id.h>
 #include <asm/io_apic.h>
 #include <asm/intel-mid.h>
 #include <asm/io.h>
@@ -55,9 +56,8 @@ static void __init intel_mid_time_init(void)
 
 static void intel_mid_arch_setup(void)
 {
-	switch (boot_cpu_data.x86_model) {
-	case 0x3C:
-	case 0x4A:
+	switch (boot_cpu_data.x86_vfm) {
+	case INTEL_ATOM_SILVERMONT_MID:
 		x86_platform.legacy.rtc = 1;
 		break;
 	default: