diff --git a/pysus/online_data/__init__.py b/pysus/online_data/__init__.py
index 00a50db..e655a24 100644
--- a/pysus/online_data/__init__.py
+++ b/pysus/online_data/__init__.py
@@ -162,7 +162,7 @@ def list_data_sources() -> str:
         ]
         # breakpoint()
         return f"""Currently, the supported databases are: {
-            ', '.join(supported_databases)}"""
+            ', '.join(sorted(supported_databases))}"""
     else:
         expected_databases = [
             "SINAN",
diff --git a/pysus/tests/test_init.py b/pysus/tests/test_init.py
index 0cea89e..d57df18 100644
--- a/pysus/tests/test_init.py
+++ b/pysus/tests/test_init.py
@@ -32,7 +32,7 @@ def test_last_update(self):
 class TestListDataSources(unittest.TestCase):
     @patch("pysus.online_data.Path.exists")
     def test_list_data_sources_exists(self, mock_exists):
-        dbs = "SIM, SIA, SINAN, SINASC, SIH, CNES"
+        dbs = "CNES, SIA, SIH, SIM, SINAN, SINASC"
         mock_exists.return_value = True
         expected_output = f"""Currently, the supported databases are: {dbs}"""
         self.assertEqual(online_data.list_data_sources(), expected_output)