diff --git a/tool/client.cc b/tool/client.cc
index dd3f846..c832ab5 100644
--- a/tool/client.cc
+++ b/tool/client.cc
@@ -19,7 +19,9 @@
 #if !defined(OPENSSL_WINDOWS)
 #include <sys/select.h>
 #else
+OPENSSL_MSVC_PRAGMA(warning(push, 3))
 #include <winsock2.h>
+OPENSSL_MSVC_PRAGMA(warning(pop))
 #endif
 
 #include <openssl/err.h>