diff --git a/homeassistant/components/humidifier/__init__.py b/homeassistant/components/humidifier/__init__.py
index ea6e8972cc6d3..184c638e8f5f2 100644
--- a/homeassistant/components/humidifier/__init__.py
+++ b/homeassistant/components/humidifier/__init__.py
@@ -214,7 +214,7 @@ def state_attributes(self) -> dict[str, Any]:
         if self.target_humidity is not None:
             data[ATTR_HUMIDITY] = self.target_humidity
 
-        if HumidifierEntityFeature.MODES in self.supported_features:
+        if HumidifierEntityFeature.MODES in self.supported_features_compat:
             data[ATTR_MODE] = self.mode
 
         return data
diff --git a/tests/components/humidifier/test_init.py b/tests/components/humidifier/test_init.py
index 45da5ba750f7f..24cf4b6d96293 100644
--- a/tests/components/humidifier/test_init.py
+++ b/tests/components/humidifier/test_init.py
@@ -7,6 +7,7 @@
 
 from homeassistant.components import humidifier
 from homeassistant.components.humidifier import (
+    ATTR_MODE,
     HumidifierEntity,
     HumidifierEntityFeature,
 )
@@ -75,6 +76,8 @@ def test_deprecated_supported_features_ints(caplog: pytest.LogCaptureFixture) ->
     """Test deprecated supported features ints."""
 
     class MockHumidifierEntity(HumidifierEntity):
+        _attr_mode = "mode1"
+
         @property
         def supported_features(self) -> int:
             """Return supported features."""
@@ -89,3 +92,5 @@ def supported_features(self) -> int:
     caplog.clear()
     assert entity.supported_features_compat is HumidifierEntityFeature(1)
     assert "is using deprecated supported features values" not in caplog.text
+
+    assert entity.state_attributes[ATTR_MODE] == "mode1"