diff --git a/ChangeLog.md b/ChangeLog.md
index 20ac03f..cbea7e4 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -8,6 +8,8 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
 ##### Bug Fixes
 
+- Fix APRSISDriver.is_configured() always returning True when driver is disabled [`a9ef65f`](https://github.com/craigerl/aprsd/commit/a9ef65f)
+
 - Fix PacketList.tx() docstring: "received" → "transmitted" [`2e3d556`](https://github.com/craigerl/aprsd/commit/2e3d556)
 
 - Add aprsd/~/ to .gitignore; remove stale tilde directory from repo [`1b08e1c`](https://github.com/craigerl/aprsd/commit/1b08e1c)
diff --git a/aprsd/client/drivers/aprsis.py b/aprsd/client/drivers/aprsis.py
index 37a1898..8f2d2fd 100644
--- a/aprsd/client/drivers/aprsis.py
+++ b/aprsd/client/drivers/aprsis.py
@@ -73,7 +73,7 @@ class APRSISDriver:
                 )
 
             return True
-        return True
+        return False
 
     @property
     def is_alive(self):
diff --git a/tests/client/drivers/test_aprsis_driver.py b/tests/client/drivers/test_aprsis_driver.py
index bf5b420..358eb7b 100644
--- a/tests/client/drivers/test_aprsis_driver.py
+++ b/tests/client/drivers/test_aprsis_driver.py
@@ -162,9 +162,9 @@ class TestAPRSISDriver(unittest.TestCase):
                 APRSISDriver.is_configured()
 
     def test_is_configured_disabled(self):
-        """Test is_configured returns True when not enabled."""
+        """Test is_configured returns False when not enabled."""
         with mock.patch.object(APRSISDriver, 'is_enabled', return_value=False):
-            self.assertTrue(APRSISDriver.is_configured())
+            self.assertFalse(APRSISDriver.is_configured())
 
     def test_is_alive_no_client(self):
         """Test is_alive returns False when no client."""