diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 06fa159..693e353 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -304,7 +304,7 @@
 	if (c->x86 < 6)
 		clear_bit(X86_FEATURE_MCE, c->x86_capability);
 
-	if (cpu_has_xmm)
+	if (cpu_has_xmm2)
 		set_bit(X86_FEATURE_MFENCE_RDTSC, c->x86_capability);
 }