diff --git a/setup.py b/setup.py
index 30c71fd..93f1de7 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,6 @@ import os
 import re
 from setuptools import Command, find_packages, setup
 import shutil
-import sys
 
 
 class PyCleanBuild(Command):
@@ -85,8 +84,7 @@ class PyTest(Command):
 
     def run(self):
         import subprocess
-        errno = subprocess.call([sys.executable,
-                                 'pygeoapi/tests/run_tests.py'])
+        errno = subprocess.call(['pytest', 'tests/test_api.py'])
         raise SystemExit(errno)