diff --git a/pkgs/d2/d2plugin-tala.nix b/pkgs/d2/d2plugin-tala.nix
index 944a392..172204e 100644
--- a/pkgs/d2/d2plugin-tala.nix
+++ b/pkgs/d2/d2plugin-tala.nix
@@ -1,7 +1,7 @@
 { system, stdenv, lib, fetchurl, installShellFiles }:
 
 let
-  rev = "0.3.3";
+  version = "0.3.3";
   fileName = "tala-v${version}-linux-amd64.tar.gz";
 in
 stdenv.mkDerivation {