Index: patroni/features/environment.py
===================================================================
--- patroni.orig/features/environment.py
+++ patroni/features/environment.py
@@ -147,7 +147,7 @@ class PatroniController(AbstractControll
         if not COVERAGE_BIN:
             COVERAGE_BIN = distutils.spawn.find_executable('python3-coverage')
 
-        return subprocess.Popen([COVERAGE_BIN, 'run', '--source=patroni', '-p', 'patroni.py', self._config],
+        return subprocess.Popen([COVERAGE_BIN, 'run', '-p', '/usr/bin/patroni', self._config],
                                 stdout=self._log, stderr=subprocess.STDOUT, cwd=self._work_directory)
 
     def stop(self, kill=False, timeout=15, postgres=False):