diff --git a/pkgs/applications/editors/qxmledit/default.nix b/pkgs/applications/editors/qxmledit/default.nix
index 131c015d1c1..9e9766f04e8 100644
--- a/pkgs/applications/editors/qxmledit/default.nix
+++ b/pkgs/applications/editors/qxmledit/default.nix
@@ -11,13 +11,13 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "doc" ] ;
 
   preConfigure = ''
-export QXMLEDIT_INST_DATA_DIR="$out/share/data"
-export QXMLEDIT_INST_TRANSLATIONS_DIR="$out/share/i18n"
-export QXMLEDIT_INST_INCLUDE_DIR="$out/include"
-export QXMLEDIT_INST_DIR="$out/bin"
-export QXMLEDIT_INST_LIB_DIR="$out/lib"
-export QXMLEDIT_INST_DOC_DIR="$doc"
-'';
+    export QXMLEDIT_INST_DATA_DIR="$out/share/data"
+    export QXMLEDIT_INST_TRANSLATIONS_DIR="$out/share/i18n"
+    export QXMLEDIT_INST_INCLUDE_DIR="$out/include"
+    export QXMLEDIT_INST_DIR="$out/bin"
+    export QXMLEDIT_INST_LIB_DIR="$out/lib"
+    export QXMLEDIT_INST_DOC_DIR="$doc"
+  '';
 
   meta = with stdenv.lib; {
     description = "Simple XML editor based on qt libraries" ;