diff --git a/setup.py b/setup.py
index d7cb6c0..50479d1 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,7 @@ def build_extension(self, ext):
         
         cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
                       '-DCMAKE_SWIG_OUTDIR=' + extdir,
+                      '-DWITH_PYTHON=ON',
                       '-DPython3_EXECUTABLE:FILEPATH=' + sys.executable,
 
                       # TODO: Still need this?