diff --git a/sys_conn_df_windows.go b/sys_conn_df_windows.go
index e27635ec9..4c140f001 100644
--- a/sys_conn_df_windows.go
+++ b/sys_conn_df_windows.go
@@ -12,21 +12,19 @@ import (
 )
 
 const (
-	// IP_DONTFRAGMENT controls the Don't Fragment (DF) bit.
-	//
-	// It's the same code point for both IPv4 and IPv6 on Windows.
-	// https://microsoft.github.io/windows-docs-rs/doc/windows/Win32/Networking/WinSock/constant.IP_DONTFRAG.html
-	// https://microsoft.github.io/windows-docs-rs/doc/windows/Win32/Networking/WinSock/constant.IPV6_DONTFRAG.html
-	//
+	// https://microsoft.github.io/windows-docs-rs/doc/windows/Win32/Networking/WinSock/constant.IP_DONTFRAGMENT.html
 	//nolint:stylecheck
 	IP_DONTFRAGMENT = 14
+	// https://microsoft.github.io/windows-docs-rs/doc/windows/Win32/Networking/WinSock/constant.IPV6_DONTFRAG.html
+	//nolint:stylecheck
+	IPV6_DONTFRAG = 14
 )
 
 func setDF(rawConn syscall.RawConn) (bool, error) {
 	var errDFIPv4, errDFIPv6 error
 	if err := rawConn.Control(func(fd uintptr) {
 		errDFIPv4 = windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IP, IP_DONTFRAGMENT, 1)
-		errDFIPv6 = windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IPV6, IP_DONTFRAGMENT, 1)
+		errDFIPv6 = windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IPV6, IPV6_DONTFRAG, 1)
 	}); err != nil {
 		return false, err
 	}