diff --git a/vmmon-only/include/x86msr.h b/vmmon-only/include/x86msr.h
index e1675bd..74e0a49 100644
--- a/vmmon-only/include/x86msr.h
+++ b/vmmon-only/include/x86msr.h
@@ -106,7 +106,9 @@ MSRQuery;
 #define MSR_TSC_AUX           0xc0000103
 #define MSR_BD_TSC_RATIO      0xc0000104
 
+#ifndef MSR_MISC_FEATURES_ENABLES
 #define MSR_MISC_FEATURES_ENABLES            0x140
+#endif
 
 /* Intel Core Architecture and later: use only architected counters. */
 #define IA32_MSR_PERF_CAPABILITIES                0x345
@@ -475,7 +477,11 @@ typedef enum {
 /*
  * MISC_FEATURES_ENABLES bits
  */
+#ifdef MSR_MISC_FEATURES_ENABLES_CPUID_FAULT
+#define MSR_MISC_FEATURES_ENABLES_CPUID_FAULTING MSR_MISC_FEATURES_ENABLES_CPUID_FAULT
+#else
 #define MSR_MISC_FEATURES_ENABLES_CPUID_FAULTING 1
+#endif