diff --git a/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h b/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h
index 2c4b23f..c6d76d7 100644
--- a/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h
+++ b/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h
@@ -10,8 +10,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __TI_SCI_PROTOCOL_H
-#define __TI_SCI_PROTOCOL_H
+#ifndef TI_SCI_PROTOCOL_H
+#define TI_SCI_PROTOCOL_H
 
 #include <stdint.h>
 
@@ -647,4 +647,4 @@
 	uint32_t status_flags;
 } __packed;
 
-#endif /* __TI_SCI_PROTOCOL_H */
+#endif /* TI_SCI_PROTOCOL_H */