diff --git a/pkgs/tools/system/datefudge/default.nix b/pkgs/tools/system/datefudge/default.nix
index 839e14a20d8..fd0cc5f582a 100644
--- a/pkgs/tools/system/datefudge/default.nix
+++ b/pkgs/tools/system/datefudge/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit }:
+{ stdenv, fetchgit, fetchpatch }:
 
 stdenv.mkDerivation {
   pname = "datefudge";
@@ -10,15 +10,20 @@ stdenv.mkDerivation {
     sha256 = "0r9g8v9xnv60hq3j20wqy34kyig3sc2pisjxl4irn7jjx85f1spv";
   };
 
-  patchPhase = ''
+  patches = [
+    (fetchpatch {
+      url = "https://src.fedoraproject.org/rpms/datefudge/raw/master/f/datefudge_1.23-tz.patch";
+      sha256 = "19c2fvhm06wnp3059b0rnd7dqdchkan8iycjh8jk8y25j870zkvn";
+    })
+  ];
+
+  postPatch = ''
     substituteInPlace Makefile \
      --replace "/usr" "/" \
      --replace "-o root -g root" ""
     substituteInPlace datefudge.sh \
      --replace "@LIBDIR@" "$out/lib/"
-    '';
-
-  preInstallPhase = "mkdir -P $out/lib/datefudge";
+  '';
 
   installFlags = [ "DESTDIR=$(out)" ];