diff --git a/src/soc/amd/cezanne/include/soc/cppc.h b/src/soc/amd/cezanne/include/soc/cppc.h
index e2f4daaf49..41f668775c 100644
--- a/src/soc/amd/cezanne/include/soc/cppc.h
+++ b/src/soc/amd/cezanne/include/soc/cppc.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#ifndef _CPU_AMD_COMMON_H
-#define _CPU_AMD_COMMON_H
+#ifndef AMD_CEZANNE_CPPC_H
+#define AMD_CEZANNE_CPPC_H
 
 #include <types.h>
 #include <acpi/acpigen.h>
@@ -10,4 +10,4 @@ struct cppc_config;
 void cpu_init_cppc_config(struct cppc_config *config, u32 version);
 void generate_cppc_entries(unsigned int core_id);
 
-#endif
+#endif /* AMD_CEZANNE_CPPC_H */