diff --git a/headers/os/kernel/OS.h b/headers/os/kernel/OS.h
index c534de9347..eb34da5cf7 100644
--- a/headers/os/kernel/OS.h
+++ b/headers/os/kernel/OS.h
@@ -551,6 +551,7 @@ typedef enum cpu_types {
 	B_CPU_AMD_ATHLON_64_MODEL_3			= 0x11f3,
 	B_CPU_AMD_ATHLON_64_MODEL_4,
 	B_CPU_AMD_ATHLON_64_MODEL_5,
+	B_CPU_AMD_PHENOM_II					= B_CPU_AMD_ATHLON_64_MODEL_4,
 	B_CPU_AMD_OPTERON					= B_CPU_AMD_ATHLON_64_MODEL_5,
 	B_CPU_AMD_ATHLON_64_FX				= B_CPU_AMD_ATHLON_64_MODEL_5,
 	B_CPU_AMD_ATHLON_64_MODEL_7			= 0x11f7,
diff --git a/headers/private/shared/cpu_type.h b/headers/private/shared/cpu_type.h
index edae6cec7c..932b2e91bc 100644
--- a/headers/private/shared/cpu_type.h
+++ b/headers/private/shared/cpu_type.h
@@ -243,7 +243,6 @@ get_cpu_model_string(system_info *info)
 		case B_CPU_AMD_ATHLON_XP_MODEL_7:
 			return "Duron";
 		case B_CPU_AMD_ATHLON_64_MODEL_3:
-		case B_CPU_AMD_ATHLON_64_MODEL_4:
 		case B_CPU_AMD_ATHLON_64_MODEL_7:
 		case B_CPU_AMD_ATHLON_64_MODEL_8:
 		case B_CPU_AMD_ATHLON_64_MODEL_11:
@@ -255,6 +254,8 @@ get_cpu_model_string(system_info *info)
 			return "Opteron";
 		case B_CPU_AMD_PHENOM:
 			return "Phenom";
+		case B_CPU_AMD_PHENOM_II:
+			return "Phenom II";
 		case B_CPU_AMD_GEODE_LX:
 			return "Geode LX";