diff --git a/src/acpi/sata.h b/src/acpi/sata.h
index 83713410f8..fecf4c6b03 100644
--- a/src/acpi/sata.h
+++ b/src/acpi/sata.h
@@ -11,6 +11,11 @@
  * GNU General Public License for more details.
  */
 
+#ifndef __ACPI_SATA_H__
+#define __ACPI_SATA_H__
+
 #include <stdint.h>
 
 void generate_sata_ssdt_ports(const char *scope, uint32_t enable_map);
+
+#endif