diff --git a/inc/sensor_dallas_ds18b20.h b/inc/sensor_dallas_ds18b20.h
index 767208d..a1a8fc6 100644
--- a/inc/sensor_dallas_ds18b20.h
+++ b/inc/sensor_dallas_ds18b20.h
@@ -12,6 +12,7 @@
 #ifndef __DS18B20_H__
 #define __DS18B20_H__
 
+#include <stdint.h>
 #include <rthw.h>
 #include <rtthread.h>
 #include <rtdevice.h>