diff --git a/pkgs/build-support/fetchgit/default.nix b/pkgs/build-support/fetchgit/default.nix
index 56973f5d3678..e920355f460f 100644
--- a/pkgs/build-support/fetchgit/default.nix
+++ b/pkgs/build-support/fetchgit/default.nix
@@ -66,7 +66,7 @@ lib.warnIf (builtins.isString sparseCheckout)
 stdenvNoCC.mkDerivation {
   inherit name;
   builder = ./builder.sh;
-  fetcher = ./nix-prefetch-git;  # This must be a string to ensure it's called with bash.
+  fetcher = ./nix-prefetch-git;
 
   nativeBuildInputs = [ git ]
     ++ lib.optionals fetchLFS [ git-lfs ];