Index: kernel/arch/amd64/src/cpu/cpu.c
===================================================================
--- kernel/arch/amd64/src/cpu/cpu.c	(revision f24d300581dcff87298e80ad8a95d552d34abead)
+++ kernel/arch/amd64/src/cpu/cpu.c	(revision 2b88074b388ca2afaa99dfb793b82d8753cc5f24)
@@ -130,5 +130,5 @@
 	CPU->arch.vendor = VendorUnknown;
 	if (has_cpuid()) {
-		cpuid(0, &info);
+		cpuid(INTEL_CPUID_LEVEL, &info);
 
 		/*
@@ -150,5 +150,5 @@
 		}
 				
-		cpuid(1, &info);
+		cpuid(INTEL_CPUID_STANDARD, &info);
 		CPU->arch.family = (info.cpuid_eax >> 8) & 0xf;
 		CPU->arch.model = (info.cpuid_eax >> 4) & 0xf;