diff --git a/pipenv/cli.py b/pipenv/cli.py
index 807b2c6a..2cbbad69 100644
--- a/pipenv/cli.py
+++ b/pipenv/cli.py
@@ -546,7 +546,7 @@ def check():
     click.echo(crayons.yellow('Checking PEP 508 requirements...'))
 
     # Run the PEP 508 checker in the virtualenv.
-    c = delegator.run('{0} {1}'.format(which('python'), pep508checker.__file__))
+    c = delegator.run('{0} {1}'.format(which('python'), pep508checker.__file__.rstrip('cd')))
     results = json.loads(c.out)
 
     # Load the pipfile.