diff --git a/src/npe2/_plugin_manager.py b/src/npe2/_plugin_manager.py
index 813a5ad0..d364cdeb 100644
--- a/src/npe2/_plugin_manager.py
+++ b/src/npe2/_plugin_manager.py
@@ -716,7 +716,7 @@ def _dispose(self):
             try:
                 self._disposables.pop()()
             except Exception as e:
-                logger.warn(f"Error while disposing {self.plugin_key}; {e}")
+                logger.warning(f"Error while disposing {self.plugin_key}; {e}")
 
     def register_command(self, id: str, command: Optional[Callable] = None):
         """Associate a callable with a command id."""
diff --git a/tests/test_plugin_manager.py b/tests/test_plugin_manager.py
index 41855f5a..8d1af5b9 100644
--- a/tests/test_plugin_manager.py
+++ b/tests/test_plugin_manager.py
@@ -224,8 +224,8 @@ def test_plugin_context_dispose():
     mock.assert_called_once()
 
 
-def test_plugin_context_dispose_error():
-    """Test"""
+def test_plugin_context_dispose_error(caplog):
+    """Test errors when executing dispose functions caught correctly."""
     pm = PluginManager()
     mf = PluginManifest(name="test")
     pm.register(mf)
@@ -234,6 +234,5 @@ def dummy_error():
         raise ValueError("This is an error")
 
     pm.get_context("test").register_disposable(dummy_error)
-    msg = "Error while disposing test; This is an error"
-    with pytest.raises(ValueError, match=msg):
-        pm.deactivate("test")
+    pm.deactivate("test")
+    assert caplog.records[0].msg == "Error while disposing test; This is an error"