diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index dd1ac854ce1..2428e85ed3f 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -13019,7 +13019,7 @@ let
     pname = "Mojo-Pg";
     version = "4.19";
     src = fetchurl {
-      url = mirror://cpan/authors/id/S/SR/SRI/Mojo-Pg-4.19.tar.gz;
+      url = "mirror://cpan/authors/id/S/SR/SRI/Mojo-Pg-4.19.tar.gz";
       sha256 = "5061eaddddb52c9daf2cbc34bb21e9aeea6ae58a22775fdf1ffa747905ebc992";
     };
     propagatedBuildInputs = [ DBDPg Mojolicious SQLAbstract ];