diff --git a/src/lib.rs b/src/lib.rs
index 0d08550..6a6653e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -840,7 +840,7 @@ mod unix {
 mod win {
 	use super::Error;
 
-	use std::{io, ptr};
+	use std::{io, mem::size_of, ptr};
 
 	use windows_sys::Win32::Foundation::{FALSE, HANDLE, INVALID_HANDLE_VALUE};
 	use windows_sys::Win32::NetworkManagement::NetManagement::{