diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index d9867de..6ec5217 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -336,7 +336,7 @@
 {
 	switch (boot_cpu_data.x86_vendor) {
 	case X86_VENDOR_AMD:
-		if (boot_cpu_data.x86 < 6)
+		if (boot_cpu_data.x86 != 15)
 			return;
 		if (strstr(boot_cpu_data.x86_model_id, "Screwdriver"))
 			return;