diff --git a/src/soc/amd/picasso/include/soc/soc_util.h b/src/soc/amd/picasso/include/soc/soc_util.h
index 8e2c598630..9077195a88 100644
--- a/src/soc/amd/picasso/include/soc/soc_util.h
+++ b/src/soc/amd/picasso/include/soc/soc_util.h
@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#ifndef __PICASSO_SOC_UTIL_H__
+#define __PICASSO_SOC_UTIL_H__
+
 enum socket_type {
 	SOCKET_FP5 = 0,
 	SOCKET_AM4 = 2,
@@ -13,3 +16,5 @@ int soc_is_dali(void);
 int soc_is_picasso(void);
 int soc_is_raven2(void);
 int soc_is_zen_plus(void);
+
+#endif /* __PICASSO_SOC_UTIL_H__ */