diff --git a/tests/drivers/si1133/main.c b/tests/drivers/si1133/main.c
index 64bc38c1c6..961047b585 100644
--- a/tests/drivers/si1133/main.c
+++ b/tests/drivers/si1133/main.c
@@ -19,6 +19,7 @@
  */
 
 #include <stdio.h>
+#include <stdbool.h>
 #include <inttypes.h>
 
 #include "kernel_defines.h"