diff --git a/driver.h b/driver.h
index d555a19be3..38d9b3f94c 100644
--- a/driver.h
+++ b/driver.h
@@ -19,6 +19,7 @@
 
 #include <stdint.h>
 #include <stdlib.h>
+#include <sys/types.h>
 
 #include <boolean.h>
 #include <compat/posix_string.h>
@@ -221,7 +222,6 @@ typedef struct driver_ctx_info
    ssize_t len;
 } driver_ctx_info_t;
 
-
 /* TODO/FIXME - comment needs to be moved to each respective driver */
 
 /* Set this to true if the platform in question needs to 'own'