diff --git a/litecord/blueprints/admin_api/users.py b/litecord/blueprints/admin_api/users.py
index cc60a69..ee8843d 100644
--- a/litecord/blueprints/admin_api/users.py
+++ b/litecord/blueprints/admin_api/users.py
@@ -101,7 +101,7 @@ async def _search_users():
     )
 
 
-@bp.route('/<user_id:int>', methods=['DELETE'])
+@bp.route('/<int:user_id>', methods=['DELETE'])
 async def _delete_single_user(user_id: int):
     await admin_check()
 
diff --git a/tests/test_admin_api/test_users.py b/tests/test_admin_api/test_users.py
new file mode 100644
index 0000000..dd300f5
--- /dev/null
+++ b/tests/test_admin_api/test_users.py
@@ -0,0 +1,37 @@
+"""
+
+Litecord
+Copyright (C) 2018-2019  Luna Mendes
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+
+import pytest
+
+from tests.common import login
+
+@pytest.mark.asyncio
+async def test_list_users(test_cli):
+    """Try to list as many users as possible."""
+    token = await login('admin', test_cli)
+
+    # NOTE: replace here if admin username changes
+    resp = await test_cli.get('/api/v6/admin/users?username=big_girl', headers={
+        'Authorization': token
+    })
+
+    assert resp.status_code == 200
+    rjson = await resp.json
+    assert isinstance(rjson, list)
+    assert rjson