diff --git a/include/libssh2.h b/include/libssh2.h
index 65182cf3..3395e6a4 100644
--- a/include/libssh2.h
+++ b/include/libssh2.h
@@ -88,8 +88,8 @@
 extern "C" {
 #endif
 #ifdef _WIN32
-# include <BaseTsd.h>
-# include <WinSock2.h>
+# include <basetsd.h>
+# include <winsock2.h>
 #endif
 
 #include <stddef.h>