diff --git a/httplib.h b/httplib.h
index 05732d5..3809828 100644
--- a/httplib.h
+++ b/httplib.h
@@ -8405,4 +8405,8 @@ inline SSL_CTX *Client::ssl_context() const {
 
 } // namespace httplib
 
+#if defined(_WIN32) && defined(CPPHTTPLIB_USE_POLL)
+#undef poll
+#endif
+
 #endif // CPPHTTPLIB_HTTPLIB_H