diff --git a/pkgs/tools/misc/ncdu_2/default.nix b/pkgs/tools/misc/ncdu/1.nix
similarity index 62%
rename from pkgs/tools/misc/ncdu_2/default.nix
rename to pkgs/tools/misc/ncdu/1.nix
index 0cfb78bcf0b..d1c185c0f23 100644
--- a/pkgs/tools/misc/ncdu_2/default.nix
+++ b/pkgs/tools/misc/ncdu/1.nix
@@ -1,24 +1,16 @@
-{ lib, stdenv, fetchurl, zig, ncurses }:
+{ lib, stdenv, fetchurl, ncurses }:
 
 stdenv.mkDerivation rec {
   pname = "ncdu";
-  version = "2.1.2";
+  version = "1.17";
 
   src = fetchurl {
     url = "https://dev.yorhel.nl/download/${pname}-${version}.tar.gz";
-    sha256 = "sha256-ng1u8DYYo8MWcmv0khe37+Rc7HWLLJF86JLe10Myxtw=";
+    sha256 = "sha256-gQdFqO0as3iMh9OupMwaFO327iJvdkvMOD4CS6Vq2/E=";
   };
 
-  XDG_CACHE_HOME="Cache"; # FIXME This should be set in stdenv
-
-  nativeBuildInputs = [
-    zig
-  ];
-
   buildInputs = [ ncurses ];
 
-  PREFIX = placeholder "out";
-
   meta = with lib; {
     description = "Disk usage analyzer with an ncurses interface";
     homepage = "https://dev.yorhel.nl/ncdu";
diff --git a/pkgs/tools/misc/ncdu/default.nix b/pkgs/tools/misc/ncdu/default.nix
index d1c185c0f23..0cfb78bcf0b 100644
--- a/pkgs/tools/misc/ncdu/default.nix
+++ b/pkgs/tools/misc/ncdu/default.nix
@@ -1,16 +1,24 @@
-{ lib, stdenv, fetchurl, ncurses }:
+{ lib, stdenv, fetchurl, zig, ncurses }:
 
 stdenv.mkDerivation rec {
   pname = "ncdu";
-  version = "1.17";
+  version = "2.1.2";
 
   src = fetchurl {
     url = "https://dev.yorhel.nl/download/${pname}-${version}.tar.gz";
-    sha256 = "sha256-gQdFqO0as3iMh9OupMwaFO327iJvdkvMOD4CS6Vq2/E=";
+    sha256 = "sha256-ng1u8DYYo8MWcmv0khe37+Rc7HWLLJF86JLe10Myxtw=";
   };
 
+  XDG_CACHE_HOME="Cache"; # FIXME This should be set in stdenv
+
+  nativeBuildInputs = [
+    zig
+  ];
+
   buildInputs = [ ncurses ];
 
+  PREFIX = placeholder "out";
+
   meta = with lib; {
     description = "Disk usage analyzer with an ncurses interface";
     homepage = "https://dev.yorhel.nl/ncdu";
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index c8f4cdde0da..90cd965a4b1 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -919,6 +919,7 @@ mapAliases ({
 
   ### N ###
 
+  ncdu_2 = ncdu; # Added 2022-07-22
   nccl = throw "nccl has been renamed to cudaPackages.nccl"; # Added 2022-04-04
   nccl_cudatoolkit_10 = throw "nccl_cudatoolkit_10 has been renamed to cudaPackages_10.nccl"; # Added 2022-04-04
   nccl_cudatoolkit_11 = throw "nccl_cudatoolkit_11 has been renamed to cudaPackages_11.nccl"; # Added 2022-04-04
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 49772490ff0..0d8b4e7a82a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -29260,7 +29260,7 @@ with pkgs;
   netcoredbg = callPackage ../development/tools/misc/netcoredbg { };
 
   ncdu = callPackage ../tools/misc/ncdu { };
-  ncdu_2 = callPackage ../tools/misc/ncdu_2 { };
+  ncdu_1 = callPackage ../tools/misc/ncdu/1.nix { };
 
   ncdc = callPackage ../applications/networking/p2p/ncdc { };