diff --git a/pkgs/os-specific/linux/util-linux-ng/default.nix b/pkgs/os-specific/linux/util-linux-ng/default.nix
index 60ffeb70737..2ae172c6c19 100644
--- a/pkgs/os-specific/linux/util-linux-ng/default.nix
+++ b/pkgs/os-specific/linux/util-linux-ng/default.nix
@@ -8,21 +8,16 @@ stdenv.mkDerivation rec {
     sha256 = "1k1in1ba9kvh0kplri9765wh0yk68qrkk1a55dqsm21qfryc1idq";
   };
 
-  configureFlags = ''
-    --disable-use-tty-group
-    --enable-write
-    ${if ncurses == null then "--without-ncurses" else ""}
-  '';
-
-  buildInputs = stdenv.lib.optional (ncurses != null) ncurses;
-
   # !!! It would be better to obtain the path to the mount helpers
   # (/sbin/mount.*) through an environment variable, but that's
   # somewhat risky because we have to consider that mount can setuid
   # root...
-  preConfigure = ''
-    substituteInPlace mount/mount.c --replace /sbin/mount. /var/run/current-system/sw/sbin/mount.
-    substituteInPlace mount/umount.c --replace /sbin/umount. /var/run/current-system/sw/sbin/umount.
+  configureFlags = ''
+    --disable-use-tty-group
+    --enable-write
+    --enable-fs-paths-default=/var/run/current-system/sw/sbin:/sbin
+    ${if ncurses == null then "--without-ncurses" else ""}
   '';
 
+  buildInputs = stdenv.lib.optional (ncurses != null) ncurses;
 }