diff --git a/drivers/include/ds18.h b/drivers/include/ds18.h
index 1f85c7e68e..bfe2ff727b 100644
--- a/drivers/include/ds18.h
+++ b/drivers/include/ds18.h
@@ -38,6 +38,8 @@
 #ifndef DS18_H
 #define DS18_H
 
+#include <stdint.h>
+
 #include "periph/gpio.h"
 
 #ifdef __cplusplus