diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h
index 75938b2412ff..dbbad8a16382 100644
--- a/drivers/staging/iio/Documentation/iio_utils.h
+++ b/drivers/staging/iio/Documentation/iio_utils.h
@@ -13,6 +13,7 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <stdint.h>
+#include <dirent.h>
 
 #define IIO_MAX_NAME_LENGTH 30