diff --git a/include/uapi/linux/wireless.h b/include/uapi/linux/wireless.h
index c1592e3..de70dee 100644
--- a/include/uapi/linux/wireless.h
+++ b/include/uapi/linux/wireless.h
@@ -672,7 +672,7 @@
  */
 struct	iw_param
 {
-  __s32		value;		/* The value of the parameter itself */
+  __u64		value;		/* The value of the parameter itself */
   __u8		fixed;		/* Hardware should not use auto select */
   __u8		disabled;	/* Disable the feature */
   __u16		flags;		/* Various specifc flags (if any) */
