diff --git a/pkgs/tools/networking/ncftp/default.nix b/pkgs/tools/networking/ncftp/default.nix
index 98fa6cc29f1a..d8c37ff58707 100644
--- a/pkgs/tools/networking/ncftp/default.nix
+++ b/pkgs/tools/networking/ncftp/default.nix
@@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   preConfigure = ''
+    find -name Makefile.in | xargs sed -i '/^TMPDIR=/d'
+
     find . -name '*.sh' -or -name '*.in' -or -name '*.c' -or -name configure | xargs sed -i \
       -e 's@/bin/ls@${coreutils}/bin/ls@g' \
       -e 's@/bin/rm@${coreutils}/bin/rm@g'