diff --git a/carbon/app.py b/carbon/app.py
index 83e1af4..5879475 100644
--- a/carbon/app.py
+++ b/carbon/app.py
@@ -244,6 +244,7 @@ def run_connection_test(self) -> None:
                 f"Failed to connect to the Symplectic Elements FTP server: {error}"
             )
             logger.exception(error_message)
+            raise
         else:
             logger.info("Successfully connected to the Symplectic Elements FTP server")
             ftps.quit()
diff --git a/carbon/database.py b/carbon/database.py
index b36f8cf..49e45ad 100644
--- a/carbon/database.py
+++ b/carbon/database.py
@@ -114,6 +114,7 @@ def run_connection_test(self) -> None:
         except Exception as error:
             error_message = f"Failed to connect to the Data Warehouse: {error}"
             logger.exception(error_message)
+            raise
         else:
             dbapi_connection = connection.connection
             version = (
diff --git a/tests/test_cli.py b/tests/test_cli.py
index d5a218e..6f521fd 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -188,11 +188,19 @@ def test_cli_connection_tests_success(caplog, functional_engine, runner):
     assert "Successfully connected to the Symplectic Elements FTP server" in caplog.text
 
 
-def test_cli_connection_tests_fail(
-    caplog, ftp_server, monkeypatch, nonfunctional_engine, runner
+def test_cli_database_connection_test_fails(caplog, nonfunctional_engine, runner):
+    with patch("carbon.cli.DatabaseEngine") as mocked_engine:
+        mocked_engine.return_value = nonfunctional_engine
+        result = runner.invoke(main, ["--run_connection_tests"])
+        assert result.exit_code == 1
+
+    assert "Failed to connect to the Data Warehouse" in caplog.text
+
+
+def test_cli_ftp_connection_test_fails(
+    caplog, ftp_server, functional_engine, monkeypatch, runner
 ):
     ftp_socket, _ = ftp_server
-
     monkeypatch.setenv(
         "SYMPLECTIC_FTP_JSON",
         (
@@ -202,10 +210,10 @@ def test_cli_connection_tests_fail(
             '"SYMPLECTIC_FTP_PASS": "invalid_password"}'
         ),
     )
+
     with patch("carbon.cli.DatabaseEngine") as mocked_engine:
-        mocked_engine.return_value = nonfunctional_engine
+        mocked_engine.return_value = functional_engine
         result = runner.invoke(main, ["--run_connection_tests"])
-        assert result.exit_code == 0
+        assert result.exit_code == 1
 
-    assert "Failed to connect to the Data Warehouse" in caplog.text
     assert "Failed to connect to the Symplectic Elements FTP server" in caplog.text