diff --git a/pkgs/shells/zsh/zsh-git-prompt/default.nix b/pkgs/shells/zsh/zsh-git-prompt/default.nix
index 3ba4144b3eb..6ec5e816bb6 100644
--- a/pkgs/shells/zsh/zsh-git-prompt/default.nix
+++ b/pkgs/shells/zsh/zsh-git-prompt/default.nix
@@ -24,7 +24,7 @@
 # More details are in share/doc/zsh-git-prompt/README.md, once
 # installed.
 #
-{ fetchgit
+{ fetchFromGitHub
 , haskell
 , python
 , git
@@ -36,9 +36,10 @@ haskellPackages.callPackage
   ({ mkDerivation, base, HUnit, parsec, process, QuickCheck, stdenv }:
    mkDerivation rec {
      pname = "zsh-git-prompt";
-     version = "0.5";
-     src = fetchgit {
-       url = "https://github.com/starcraftman/zsh-git-prompt.git";
+     version = "0.4z";  # While we await a real 0.5 release.
+     src = fetchFromGitHub {
+       owner = "starcraftman";
+       repo = "zsh-git-prompt";
        rev = "11b83ba3b85d14c66cf2ab79faefab6d838da28e";
        sha256 = "04aylsjfb03ckw219plkzpyiq4j9g66bjxa5pa56h1p7df6pjssb";
      };