diff --git a/c/src/libchip/serial/z85c30.h b/c/src/libchip/serial/z85c30.h
index a9b25f1eec..b809970568 100644
--- a/c/src/libchip/serial/z85c30.h
+++ b/c/src/libchip/serial/z85c30.h
@@ -30,6 +30,10 @@
 #ifndef __Z85C30_H
 #define __Z85C30_H
 
+#include <stdint.h>
+
+#include <libchip/serial.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif