diff --git a/pkgs/applications/misc/variety/default.nix b/pkgs/applications/misc/variety/default.nix
index c9e3a86487d9..5e7765a16fde 100644
--- a/pkgs/applications/misc/variety/default.nix
+++ b/pkgs/applications/misc/variety/default.nix
@@ -32,7 +32,9 @@ buildPythonApplication rec {
 
   doCheck = false;
 
-  postInstall = "wrapProgram $out/bin/variety --suffix XDG_DATA_DIRS : ${gtk3}/share/gsettings-schemas/${gtk3.name}/";
+  postInstall = ''
+    wrapProgram $out/bin/variety --suffix XDG_DATA_DIRS : ${gtk3}/share/gsettings-schemas/${gtk3.name}/
+  '';
 
   prePatch = ''
     substituteInPlace variety_lib/varietyconfig.py \