diff --git a/src/arch/x86/cpuid.cc b/src/arch/x86/cpuid.cc
index 2a560f510a..ae1ba2efc7 100644
--- a/src/arch/x86/cpuid.cc
+++ b/src/arch/x86/cpuid.cc
@@ -104,7 +104,7 @@ namespace X86ISA {
                 break;
               case FamilyModelSteppingBrandFeatures:
                 result = CpuidResult(0x00020f51, 0x00000405,
-                                     0xe3d3fbff, 0x00000001);
+                                     0xebd3fbff, 0x00000001);
                 break;
               case NameString1:
               case NameString2:
@@ -165,7 +165,7 @@ namespace X86ISA {
                 break;
               case FamilyModelStepping:
                 result = CpuidResult(0x00020f51, 0x00000805,
-                                     0xe7dbfbff, 0x00000209);
+                                     0xefdbfbff, 0x00000209);
                 break;
               case ExtendedFeatures:
                 result = CpuidResult(0x00000000, 0x01800000,