diff --git a/pkgs/applications/science/math/pari/default.nix b/pkgs/applications/science/math/pari/default.nix
index a3e2f99ab27..7ec42d11ab1 100644
--- a/pkgs/applications/science/math/pari/default.nix
+++ b/pkgs/applications/science/math/pari/default.nix
@@ -15,7 +15,8 @@ stdenv.mkDerivation rec {
   version = "2.11.4";
 
   src = fetchurl {
-    url = "https://pari.math.u-bordeaux.fr/pub/pari/unix/${pname}-${version}.tar.gz";
+    # Versions with current majorMinor values are at http://pari.math.u-bordeaux.fr/pub/pari/unix/${pname}-${version}.tar.gz
+    url = "https://pari.math.u-bordeaux.fr/pub/pari/OLD/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.gz";
     sha256 = "sha256-v8iPxPc1L0hA5uNSxy8DacvqikVAOxg0piafNwmXCxw=";
   };