diff --git a/src/include/acpi/acpi_crat.h b/src/include/acpi/acpi_crat.h
index b6ae1d64b6..d18d66ce41 100644
--- a/src/include/acpi/acpi_crat.h
+++ b/src/include/acpi/acpi_crat.h
@@ -3,6 +3,8 @@
 #ifndef __ACPI_CRAT_H__
 #define __ACPI_CRAT_H__
 
+#include <stdint.h>
+
 enum crat_entry_type {
 	CRAT_HSA_PROC_UNIT_TYPE,
 	CRAT_MEMORY_TYPE,