diff --git a/pkgs/development/libraries/libopencore/default.nix b/pkgs/development/libraries/libopencore/default.nix
index 6eacfdb6371..6dbd190e7c9 100644
--- a/pkgs/development/libraries/libopencore/default.nix
+++ b/pkgs/development/libraries/libopencore/default.nix
@@ -1,11 +1,15 @@
-{stdenv, fetchurl}:
+{ stdenv, fetchurl };
 
+let
+    version = "0.1.5";
+in 
 stdenv.mkDerivation {
-  name = "opencore-amr";
+  name = "opencore-amr-${version}";
   src = fetchurl {
-    url = https://vorboss.dl.sourceforge.net/project/opencore-amr/opencore-amr/opencore-amr-0.1.5.tar.gz;
+    url = "https://vorboss.dl.sourceforge.net/project/opencore-amr/opencore-amr/opencore-amr-${version}.tar.gz";
     sha256 = "0hfk9khz3by0119h3jdwgdfd7jgkdbzxnmh1wssvylgnsnwnq01c";
   };
+  
   meta = {
     homepage = https://opencore-amr.sourceforge.io/;
     description = "Library of OpenCORE Framework implementation of Adaptive Multi Rate Narrowband and Wideband (AMR-NB and AMR-WB) speech codec.