1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/applications/graphics/mandelbulber/default.nix b/nixpkgs/pkgs/applications/graphics/mandelbulber/default.nix
index 384ddac5b4c5..0800ee0c437d 100644
--- a/nixpkgs/pkgs/applications/graphics/mandelbulber/default.nix
+++ b/nixpkgs/pkgs/applications/graphics/mandelbulber/default.nix
@@ -47,7 +47,7 @@ mkDerivation rec {
   sourceRoot = "${src.name}/mandelbulber2";
 
   qmakeFlags = [
-    "SHARED_PATH=${placeholder ''out''}"
+    "SHARED_PATH=${placeholder "out"}"
     (if withOpenCL
       then "qmake/mandelbulber-opencl.pro"
       else "qmake/mandelbulber.pro")