diff --git a/pkgs/shells/lambda-mod-zsh-theme/default.nix b/pkgs/shells/lambda-mod-zsh-theme/default.nix
index e5f43bf25a9..ffc321ae399 100644
--- a/pkgs/shells/lambda-mod-zsh-theme/default.nix
+++ b/pkgs/shells/lambda-mod-zsh-theme/default.nix
@@ -3,7 +3,7 @@
 let
   pkgName = "lambda-mod-zsh-theme";
   rev = "eceee68cf46bba9f7f42887c2128b48e8861e31b";
-in stdenv.mkDerivation rec {
+in stdenv.mkDerivation {
   name = "${pkgName}-${rev}";
 
   src = fetchgit {