diff --git a/pipenv/patched/safety/cli.py b/pipenv/patched/safety/cli.py
index d2140193..9ebd9e8a 100644
--- a/pipenv/patched/safety/cli.py
+++ b/pipenv/patched/safety/cli.py
@@ -12,10 +12,10 @@ from safety.errors import DatabaseFetchError, DatabaseFileNotFoundError, Invalid
 
 try:
     # pip 9
-    from notpip import get_installed_distributions
+    from pipenv.patched.notpip import get_installed_distributions
 except ImportError:
     # pip 10
-    from notpip._internal.utils.misc import get_installed_distributions
+    from pipenv.patched.notpip._internal.utils.misc import get_installed_distributions
 
 
 @click.group()
diff --git a/pipenv/vendor/pipdeptree.py b/pipenv/vendor/pipdeptree.py
index 6020a422..b3c564ef 100644
--- a/pipenv/vendor/pipdeptree.py
+++ b/pipenv/vendor/pipdeptree.py
@@ -14,10 +14,10 @@ except ImportError:
     from ordereddict import OrderedDict
 
 try:
-    from notpip._internal import get_installed_distributions
-    from notpip._internal.operations.freeze import FrozenRequirement
+    from pipenv.patched.notpip._internal import get_installed_distributions
+    from pipenv.patched.notpip._internal.operations.freeze import FrozenRequirement
 except ImportError:
-    from notpip import get_installed_distributions, FrozenRequirement
+    from pipenv.patched.notpip import get_installed_distributions, FrozenRequirement
 
 import pkg_resources
 # inline:
diff --git a/pipenv/vendor/requirements/fragment.py b/pipenv/vendor/requirements/fragment.py
index 028e1871..2c29ad66 100644
--- a/pipenv/vendor/requirements/fragment.py
+++ b/pipenv/vendor/requirements/fragment.py
@@ -1,6 +1,6 @@
 import re
 
-# Copied from notpip
+# Copied from pipenv.patched.notpip
 # https://github.com/pypa/pip/blob/281eb61b09d87765d7c2b92f6982b3fe76ccb0af/pip/index.py#L947
 HASH_ALGORITHMS = set(['sha1', 'sha224', 'sha384', 'sha256', 'sha512', 'md5'])