diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index cc42d14671f5..acae4a6d8162 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -12319,7 +12319,7 @@ let self = _self // overrides; _self = with self; {
   SetIntSpan = buildPerlPackage rec {
     name = "Set-IntSpan-1.19";
     src = fetchurl {
-      url = "https://cpan.metacpan.org/authors/id/S/SW/SWMCD/Set-IntSpan-1.19.tar.gz";
+      url = mirror://cpan/authors/id/S/SW/SWMCD/Set-IntSpan-1.19.tar.gz;
       sha256 = "1l6znd40ylzvfwl02rlqzvakv602rmvwgm2xd768fpgc2fdm9dqi";
     };