diff --git a/pipenv/vendor/pythonfinder/pythonfinder.py b/pipenv/vendor/pythonfinder/pythonfinder.py
index c74eadeb..792f5991 100644
--- a/pipenv/vendor/pythonfinder/pythonfinder.py
+++ b/pipenv/vendor/pythonfinder/pythonfinder.py
@@ -76,6 +76,11 @@ class Finder(object):
 
     def find_all_python_versions(self, major=None, minor=None, patch=None, pre=None, dev=None, arch=None):
         version_sort = operator.attrgetter("as_python.version_sort")
+        python_version_dict = getattr(self.system_path, 'python_version_dict')
+        if python_version_dict:
+            paths = [path for version in python_version_dict.values() for path in version]
+            paths = sorted(paths, key=version_sort, reverse=True)
+            return paths
         versions = self.system_path.find_all_python_versions(major=major, minor=minor, patch=patch, pre=pre, dev=dev, arch=arch)
         if not isinstance(versions, list):
             versions = [versions,]