diff --git a/pkgs/development/interpreters/clisp/2.44.1.nix b/pkgs/development/interpreters/clisp/2.44.1.nix
index 7b811732a626..521933b0ed1f 100644
--- a/pkgs/development/interpreters/clisp/2.44.1.nix
+++ b/pkgs/development/interpreters/clisp/2.44.1.nix
@@ -3,12 +3,12 @@
 , libffi, libffcall, coreutils }:
         
 stdenv.mkDerivation rec {
-  v = "2.49";
+  v = "2.44.1";
   name = "clisp-${v}";
   
   src = fetchurl {
     url = "mirror://gnu/clisp/release/${v}/${name}.tar.gz";
-    sha256 = "0rp82nqp5362isl9i34rwgg04cidz7izljd9d85pqcw1qr964bxx";
+    sha256 = "0rkp6j6rih4s5d9acifh7pi4b9xfgcspif512l269dqy9qgyy4j1";
   };
 
   buildInputs =