diff --git a/mdns.h b/mdns.h
index 58a5bb54d..7e164f79e 100644
--- a/mdns.h
+++ b/mdns.h
@@ -22,8 +22,8 @@
 
 #include <fcntl.h>
 #ifdef _WIN32
-#include <Winsock2.h>
-#include <Ws2tcpip.h>
+#include <winsock2.h>
+#include <ws2tcpip.h>
 #define strncasecmp _strnicmp
 #else
 #include <unistd.h>