diff --git a/setup.py b/setup.py
index e68abe5..9b4a64b 100644
--- a/setup.py
+++ b/setup.py
@@ -16,8 +16,8 @@ else:
 if not use_cython:
     extensions = [Extension("fvid.fvid_cython", ["fvid/fvid_cython.c"], include_dirs=["./fvid", "fvid/"])]
 else:
-    extensions = Extension("fvid.fvid_cython", ["fvid/fvid_cython.pyx"], include_dirs=["./fvid", "fvid/"])
-    extensions = [cythonize(extensions, compiler_directives={'language_level': "3", 'infer_types': True})]
+    extensions = [Extension("fvid.fvid_cython", ["fvid/fvid_cython.pyx"], include_dirs=["./fvid", "fvid/"])]
+    extensions = cythonize(extensions, compiler_directives={'language_level': "3", 'infer_types': True})
 
 
 class build_ext(_build_ext):