diff --git a/pip/_vendor/certifi/core.py b/pip/_vendor/certifi/core.py
index eab9d1d..9614a88 100644
--- a/pip/_vendor/certifi/core.py
+++ b/pip/_vendor/certifi/core.py
@@ -19,9 +19,7 @@ class DeprecatedBundleWarning(DeprecationWarning):
 
 
 def where():
-    f = os.path.dirname(__file__)
-
-    return os.path.join(f, 'cacert.pem')
+    return '/etc/pki/tls/certs/ca-bundle.crt'
 
 
 def old_where():