diff --git a/tests/test_configs.py b/tests/test_configs.py
index 8b8a45f..ff21751 100644
--- a/tests/test_configs.py
+++ b/tests/test_configs.py
@@ -497,6 +497,9 @@ class ConfigsTestCase(TestCase):
             }
             self.assertHeartbeatSent(heartbeat)
 
+            detected_proj = open(os.path.join(tempdir, 'git', '.wakatime-project')).read()
+            self.assertEquals(detected_proj, generated_proj)
+
             self.assertHeartbeatNotSavedOffline()
             self.assertOfflineHeartbeatsSynced()
             self.assertSessionCacheSaved()
diff --git a/tests/test_project.py b/tests/test_project.py
index 8d4ece9..a2ed954 100644
--- a/tests/test_project.py
+++ b/tests/test_project.py
@@ -158,6 +158,13 @@ class ProjectTestCase(TestCase):
             entity='projects/wakatime_project_file/emptyfile.txt',
         )
 
+    def test_wakatime_project_file_used_even_when_project_names_hidden(self):
+        self.shared(
+            expected_project='waka-project-file',
+            entity='projects/wakatime_project_file/emptyfile.txt',
+            extra_args=['--hide-project-names'],
+        )
+
     def test_git_project_detected(self):
         tempdir = tempfile.mkdtemp()
         shutil.copytree('tests/samples/projects/git', os.path.join(tempdir, 'git'))
@@ -169,6 +176,33 @@ class ProjectTestCase(TestCase):
             entity=os.path.join(tempdir, 'git', 'emptyfile.txt'),
         )
 
+    def test_get_project_not_used_when_project_names_hidden(self):
+        response = Response()
+        response.status_code = 0
+        self.patched['wakatime.packages.requests.adapters.HTTPAdapter.send'].return_value = response
+
+        tempdir = tempfile.mkdtemp()
+        shutil.copytree('tests/samples/projects/git', os.path.join(tempdir, 'git'))
+        shutil.move(os.path.join(tempdir, 'git', 'dot_git'), os.path.join(tempdir, 'git', '.git'))
+
+        now = u(int(time.time()))
+        entity = os.path.join(tempdir, 'git', 'emptyfile.txt')
+        config = 'tests/samples/configs/good_config.cfg'
+
+        args = ['--hide-project-names', '--file', entity, '--config', config, '--time', now]
+
+        execute(args)
+        self.assertHeartbeatSavedOffline()
+
+        self.assertNotEquals('git', self.patched['wakatime.offlinequeue.Queue.push'].call_args[0][0]['project'])
+        self.assertEquals(None, self.patched['wakatime.offlinequeue.Queue.push'].call_args[0][0]['branch'])
+        proj = open(os.path.join(tempdir, 'git', '.wakatime-project')).read()
+        self.assertEquals(proj, self.patched['wakatime.offlinequeue.Queue.push'].call_args[0][0]['project'])
+
+        execute(args)
+
+        self.assertEquals(proj, self.patched['wakatime.offlinequeue.Queue.push'].call_args[0][0]['project'])
+
     @log_capture()
     def test_ioerror_when_reading_git_branch(self, logs):
         logging.disable(logging.NOTSET)
diff --git a/wakatime/arguments.py b/wakatime/arguments.py
index 4fb2da0..71d80a3 100644
--- a/wakatime/arguments.py
+++ b/wakatime/arguments.py
@@ -335,7 +335,7 @@ def boolean_or_list(config_name, args, configs, alternative_names=[]):
     """Get a boolean or list of regexes from args and configs."""
 
     # when argument flag present, set to wildcard regex
-    for key in alternative_names:
+    for key in alternative_names + [config_name]:
         if hasattr(args, key) and getattr(args, key):
             setattr(args, config_name, ['.*'])
             return
diff --git a/wakatime/project.py b/wakatime/project.py
index 70072f1..8aa7ca6 100644
--- a/wakatime/project.py
+++ b/wakatime/project.py
@@ -69,6 +69,8 @@ def get_project_info(configs, heartbeat, data):
         project_name = data.get('project') or heartbeat.args.project
 
     hide_project = heartbeat.should_obfuscate_project()
+    if hide_project and project_name is not None:
+        return project_name, None
 
     if project_name is None or branch_name is None: