diff --git a/plat/allwinner/sun50i_h6/include/sunxi_mmap.h b/plat/allwinner/sun50i_h6/include/sunxi_mmap.h
index ff1eb61..f36491a 100644
--- a/plat/allwinner/sun50i_h6/include/sunxi_mmap.h
+++ b/plat/allwinner/sun50i_h6/include/sunxi_mmap.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SUNXI_MMAP_H__
-#define __SUNXI_MMAP_H__
+#ifndef SUNXI_MMAP_H
+#define SUNXI_MMAP_H
 
 /* Memory regions */
 #define SUNXI_ROM_BASE			0x00000000
@@ -58,4 +58,4 @@
 #define SUNXI_R_UART_BASE		0x07080000
 #define SUNXI_R_PIO_BASE		0x07022000
 
-#endif /* __SUNXI_MMAP_H__ */
+#endif /* SUNXI_MMAP_H */