diff --git a/conans/__init__.py b/conans/__init__.py
index f8e76ddf7a1..de58b9aedbe 100644
--- a/conans/__init__.py
+++ b/conans/__init__.py
@@ -9,5 +9,5 @@
 from conans.util.files import load
 import os
 
-__version__ = '0.16.0'
+__version__ = '0.16.1'
 
diff --git a/conans/client/command.py b/conans/client/command.py
index 0f2c253f210..da2f08c7154 100644
--- a/conans/client/command.py
+++ b/conans/client/command.py
@@ -290,7 +290,8 @@ def test_package(self, *args):
                 env = profile.env
                 package_env = profile.package_env
 
-        loader = manager._loader(None, settings, options, scopes, package_settings, env, package_env)
+        loader = manager._loader(current_path=None, user_settings_values=settings, user_options_values=options,
+                                 scopes=scopes, package_settings=package_settings, env=env, package_env=package_env)
         conanfile = loader.load_conan(test_conanfile, self._user_io.out, consumer=True)
         try:
             # convert to list from ItemViews required for python3
diff --git a/conans/test/integration/conan_test_test.py b/conans/test/integration/conan_test_test.py
index bffe9145c13..55a750021cc 100644
--- a/conans/test/integration/conan_test_test.py
+++ b/conans/test/integration/conan_test_test.py
@@ -11,6 +11,33 @@
 @attr("slow")
 class ConanTestTest(unittest.TestCase):
 
+    def scopes_test_package_test(self):
+        client = TestClient()
+        conanfile = """
+from conans import ConanFile
+
+class HelloConan(ConanFile):
+    name = "Hello"
+    version = "0.1"
+
+    def build(self):
+        self.output.info("Scope: %s" % self.scope)
+"""
+        test_conanfile = """
+from conans import ConanFile, CMake
+import os
+
+class HelloReuseConan(ConanFile):
+    requires = "Hello/0.1@lasote/stable"
+
+    def test(self):
+        self.conanfile_directory
+"""
+        client.save({"conanfile.py": conanfile,
+                     "test/conanfile.py": test_conanfile})
+        client.run("test_package --scope Hello:dev=True --build=missing")
+        self.assertIn("Hello/0.1@lasote/stable: Scope: dev=True", client.user_io.out)
+
     def fail_test_package_test(self):
         client = TestClient()
         conanfile = """