diff --git a/pkgs/development/libraries/qt-4.x/4.7/default.nix b/pkgs/development/libraries/qt-4.x/4.7/default.nix
index 2d157b9e944..b0fb326f002 100644
--- a/pkgs/development/libraries/qt-4.x/4.7/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.7/default.nix
@@ -99,7 +99,7 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     ${if useDocs then "rm -rfv $out/share/doc/${name}/{html,src}" else ""}
-    ln -sv phonon $out/include/Phonon''
+    ln -sv phonon $out/include/Phonon'';
 
   enableParallelBuilding = true;