diff --git a/setup.py b/setup.py
index 0aa2ba0..1287823 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,9 @@
 from distutils.core import setup
 from distutils.extension import Extension
 from Cython.Distutils import build_ext
+from Cython.Build import cythonize
 
+import os
 import sys
 
 import numpy
@@ -9,7 +11,7 @@ import numpy
 if sys.platform == 'linux2':
     setup(
         cmdclass = {'build_ext': build_ext},
-        ext_modules = [ Extension("invesalius.data.mips", ["invesalius/data/mips.pyx"],
+        ext_modules = cythonize([ Extension("invesalius.data.mips", ["invesalius/data/mips.pyx"],
                                   include_dirs =  [numpy.get_include()],
                                   extra_compile_args=['-fopenmp'],
                                   extra_link_args=['-fopenmp']),
@@ -23,7 +25,7 @@ if sys.platform == 'linux2':
                                  include_dirs=[numpy.get_include()],
                                  extra_compile_args=['-fopenmp',],
                                  extra_link_args=['-fopenmp',]),
-                       ]
+                       ])
          )
 
 elif sys.platform == 'win32':
@@ -37,7 +39,21 @@ elif sys.platform == 'win32':
 
 else:
     setup(
+        packages=["invesalius", ],
         cmdclass = {'build_ext': build_ext},
-        ext_modules = [ Extension("invesalius.data.mips", ["invesalius/data/mips.pyx"],
-                                  include_dirs =  [numpy.get_include()],)]
-         )
+        ext_modules = cythonize([Extension("invesalius.data.mips", ["invesalius/data/mips.pyx"],
+                                           include_dirs =  [numpy.get_include()],
+                                           extra_compile_args=['-fopenmp',],
+                                           extra_link_args=['-fopenmp',]),
+
+                                 Extension("invesalius.data.interpolation", ["invesalius/data/interpolation.pyx"],
+                                           include_dirs=[numpy.get_include()],
+                                           extra_compile_args=['-fopenmp',],
+                                           extra_link_args=['-fopenmp',]),
+
+                                 Extension("invesalius.data.transforms", ["invesalius/data/transforms.pyx"],
+                                           include_dirs=[numpy.get_include()],
+                                           extra_compile_args=['-fopenmp',],
+                                           extra_link_args=['-fopenmp',]),
+                                 ])
+    )
--
libgit2 0.21.2