diff --git a/pkgs/tools/compression/heatshrink/default.nix b/pkgs/tools/compression/heatshrink/default.nix
index b5cfb92247af..d18f82ef21fa 100644
--- a/pkgs/tools/compression/heatshrink/default.nix
+++ b/pkgs/tools/compression/heatshrink/default.nix
@@ -5,14 +5,14 @@
 , fetchpatch
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "heatshrink";
   version = "0.4.1";
 
   src = fetchFromGitHub {
     owner = "atomicobject";
     repo = "heatshrink";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-Nm9/+JFMDXY1N90hmNFGh755V2sXSRQ4VBN9f8TcsGk=";
   };
 
@@ -46,4 +46,4 @@ stdenv.mkDerivation rec {
     platforms = platforms.all;
     mainProgram = "heatshrink";
   };
-}
+})