diff --git a/src/superio/aspeed/ast2400/chip.h b/src/superio/aspeed/ast2400/chip.h
index 262f815460..1634a34152 100644
--- a/src/superio/aspeed/ast2400/chip.h
+++ b/src/superio/aspeed/ast2400/chip.h
@@ -3,6 +3,8 @@
 #ifndef __SUPERIO_ASPEED__AST2400_CHIP_H__
 #define __SUPERIO_ASPEED__AST2400_CHIP_H__
 
+#include <stdbool.h>
+
 struct superio_aspeed_ast2400_config {
 	/* On AST2500 only 1: ESPI, 0: LPC */
 	bool use_espi;