diff --git a/vlib/net/http/download_windows.c.v b/vlib/net/http/download_windows.c.v
index 49ff263884..17333c169c 100644
--- a/vlib/net/http/download_windows.c.v
+++ b/vlib/net/http/download_windows.c.v
@@ -6,7 +6,7 @@ module http
 
 #flag -l Urlmon
 
-#include <Urlmon.h>
+#include <urlmon.h>
 
 fn download_file_with_progress(url, out string, cb, cb_finished voidptr) {
 }
diff --git a/vlib/net/init_windows.c.v b/vlib/net/init_windows.c.v
index 6f211d98de..442ffe91c5 100644
--- a/vlib/net/init_windows.c.v
+++ b/vlib/net/init_windows.c.v
@@ -2,7 +2,7 @@ module net
 
 #flag -lws2_32
 #include <winsock2.h>
-#include <Ws2tcpip.h>
+#include <ws2tcpip.h>
 
 struct C.WSAData {
 mut: