diff --git a/src/pyoncatqt/login.py b/src/pyoncatqt/login.py
index 23de574..a17c0d6 100644
--- a/src/pyoncatqt/login.py
+++ b/src/pyoncatqt/login.py
@@ -290,9 +290,6 @@ def get_agent_instance(self: QGroupBox) -> pyoncat.ONCat:
 
     def connect_to_oncat(self: QGroupBox) -> None:
         """Connect to OnCat"""
-        # Check if already connected to OnCat
-        if self.is_connected:
-            return
 
         self.login_dialog.exec_()
         self.update_connection_status()
diff --git a/tests/test_login_dialog.py b/tests/test_login_dialog.py
index c27bb6c..9767864 100644
--- a/tests/test_login_dialog.py
+++ b/tests/test_login_dialog.py
@@ -140,7 +140,8 @@ def test_is_connected() -> None:
 
     assert dialog.is_connected
     dialog.connect_to_oncat()
-    assert not dialog.login_dialog.exec_.called
+    # dialog is always called
+    assert dialog.login_dialog.exec_.called
 
 
 def test_login_dialog_nominal(qtbot: pytest.fixture) -> None: