diff --git a/pipenv/utils.py b/pipenv/utils.py
index 90a774e9..80ffc85d 100644
--- a/pipenv/utils.py
+++ b/pipenv/utils.py
@@ -439,7 +439,7 @@ def prepare_pip_source_args(sources, pip_args=None):
 
         # Trust the host if it's not verified.
         if not sources[0].get('verify_ssl', True):
-            pip_args.extend(['--trusted-host', urlparse(sources[0]['url']).netloc.split(':')[0]])
+            pip_args.extend(['--trusted-host', urlparse(sources[0]['url']).hostname])
 
         # Add additional sources as extra indexes.
         if len(sources) > 1:
@@ -448,7 +448,7 @@ def prepare_pip_source_args(sources, pip_args=None):
 
                 # Trust the host if it's not verified.
                 if not source.get('verify_ssl', True):
-                    pip_args.extend(['--trusted-host', urlparse(source['url']).netloc.split(':')[0]])
+                    pip_args.extend(['--trusted-host', urlparse(source['url']).hostname])
 
     return pip_args