diff --git a/pkgs/development/python-modules/pyfftw/default.nix b/pkgs/development/python-modules/pyfftw/default.nix
index 155254a6af35..96e807f8eba3 100644
--- a/pkgs/development/python-modules/pyfftw/default.nix
+++ b/pkgs/development/python-modules/pyfftw/default.nix
@@ -10,20 +10,18 @@ buildPythonPackage rec {
     sha256 = "60988e823ca75808a26fd79d88dbae1de3699e72a293f812aa4534f8a0a58cb0";
   };
 
+  preConfigure = ''
+    export LDFLAGS="-L${fftw.out}/lib -L${fftwFloat.out}/lib -L${fftwLongDouble.out}/lib"
+    export CFLAGS="-I${fftw.dev}/include -I${fftwFloat.dev}/include -I${fftwLongDouble.dev}/include"
+  '';
+
   buildInputs = [ fftw fftwFloat fftwLongDouble];
 
   propagatedBuildInputs = [ numpy scipy cython dask ];
 
   # Tests cannot import pyfftw. pyfftw works fine though.
   doCheck = false;
-
-  preConfigure = ''
-    export LDFLAGS="-L${fftw.out}/lib -L${fftwFloat.out}/lib -L${fftwLongDouble.out}/lib"
-    export CFLAGS="-I${fftw.dev}/include -I${fftwFloat.dev}/include -I${fftwLongDouble.dev}/include"
-  '';
-  #+ optionalString isDarwin ''
-  #  export DYLD_LIBRARY_PATH="${pkgs.fftw.out}/lib"
-  #'';
+  pythonImportsCheck = [ "pyfftw" ];
 
   meta = with lib; {
     description = "A pythonic wrapper around FFTW, the FFT library, presenting a unified interface for all the supported transforms";