diff --git a/pkgs/build-support/fetchurl/mirrors.nix b/pkgs/build-support/fetchurl/mirrors.nix
index 5ae5eb105e79..e3759fe49cd8 100644
--- a/pkgs/build-support/fetchurl/mirrors.nix
+++ b/pkgs/build-support/fetchurl/mirrors.nix
@@ -128,7 +128,7 @@ rec {
   ];
 
   samba = [
-    http://samba.org/ftp/
+    https://www.samba.org/ftp/
     http://ftp.riken.jp/net/samba
   ];