diff --git a/pipenv/core.py b/pipenv/core.py
index 9f79310d..a354d69e 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1865,6 +1865,8 @@ def do_install(
         package_name = package_names[0]
         if len(package_names) > 1:
             more_packages = package_names[1:]
+        else:
+            more_packages = []
     # Capture . argument and assign it to nothing
     if package_name == '.':
         package_name = False
diff --git a/tests/integration/test_install_uri.py b/tests/integration/test_install_uri.py
index 50b56d10..f193a2e1 100644
--- a/tests/integration/test_install_uri.py
+++ b/tests/integration/test_install_uri.py
@@ -1,5 +1,5 @@
 import pytest
-
+import os
 from flaky import flaky
 
 
@@ -92,3 +92,32 @@ def test_install_editable_git_tag(PipenvInstance, pip_src_dir, pypi):
         assert 'git' in p.lockfile['default']['six']
         assert p.lockfile['default']['six']['git'] == 'https://github.com/benjaminp/six.git'
         assert 'ref' in p.lockfile['default']['six']
+
+
+@pytest.mark.install
+@pytest.mark.index
+def test_install_named_index_alias(PipenvInstance, pypi):
+    # This uses the real PyPI since we need Internet to access the Git
+    # dependency anyway.
+    with PipenvInstance(pypi=pypi) as p:
+        with open(p.pipfile_path, 'w') as f:
+            contents = """
+[[source]]
+url = "{0}"
+verify_ssl = false
+name = "testindex"
+
+[[source]]
+url = "https://pypi.python.org/simple"
+verify_ssl = "true"
+name = "pypi"
+
+[packages]
+pytz = "*"
+six = {{version = "*", index = "pypi"}}
+
+[dev-packages]
+            """.format(os.environ.get('PIPENV_TEST_INDEX')).strip()
+            f.write(contents)
+        c = p.pipenv('install pytz --index pypi')
+        assert c.return_code == 0
diff --git a/tests/integration/test_lock.py b/tests/integration/test_lock.py
index b157e12a..b31e2281 100644
--- a/tests/integration/test_lock.py
+++ b/tests/integration/test_lock.py
@@ -150,3 +150,64 @@ records = {extras = ["pandas"], version = "==0.5.2"}
         assert c.return_code == 0
         assert 'tablib' in p.lockfile['default']
         assert 'pandas' in p.lockfile['default']
+
+
+@pytest.mark.skip_lock
+@pytest.mark.index
+@pytest.mark.needs_internet
+def test_private_index_skip_lock(PipenvInstance):
+    # This uses the real PyPI since we need Internet to access the Git
+    # dependency anyway.
+    with PipenvInstance() as p:
+        with open(p.pipfile_path, 'w') as f:
+            contents = """
+[[source]]
+url = "https://pypi.python.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[[source]]
+url = "https://testpypi.python.org/pypi"
+verify_ssl = true
+name = "testpypi"
+
+[packages]
+pipenv-test-private-package = {version = "*", index = "testpypi"}
+requests = "*"
+            """.strip()
+            f.write(contents)
+        c = p.pipenv('install --skip-lock')
+        assert c.return_code == 0
+
+
+@pytest.mark.requirements
+@pytest.mark.lock
+@pytest.mark.index
+@pytest.mark.needs_internet
+def test_private_index_lock_requirements(PipenvInstance):
+    # This uses the real PyPI since we need Internet to access the Git
+    # dependency anyway.
+    with PipenvInstance() as p:
+        with open(p.pipfile_path, 'w') as f:
+            contents = """
+[[source]]
+url = "https://pypi.python.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[[source]]
+url = "https://testpypi.python.org/pypi"
+verify_ssl = true
+name = "testpypi"
+
+[packages]
+pipenv-test-private-package = {version = "*", index = "testpypi"}
+requests = "*"
+            """.strip()
+            f.write(contents)
+        c = p.pipenv('install')
+        assert c.return_code == 0
+        c = p.pipenv('lock -r')
+        assert c.return_code == 0
+        assert '-i https://pypi.python.org/simple' in c.out.strip()
+        assert '--extra-index-url https://testpypi.python.org/pypi' in c.out.strip()