diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index fa649561e3d..250b81bb0fb 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -365,13 +365,17 @@ class Entity(ABC):
 
         if end - start > 0.4 and not self._slow_reported:
             self._slow_reported = True
+            url = "https://github.com/home-assistant/home-assistant/issues?q=is%3Aopen+is%3Aissue"
+            if self.platform:
+                url += f"+label%3A%22integration%3A+{self.platform.platform_name}%22"
+
             _LOGGER.warning(
                 "Updating state for %s (%s) took %.3f seconds. "
-                "Please report platform to the developers at "
-                "https://goo.gl/Nvioub",
+                "Please create a bug report at %s",
                 self.entity_id,
                 type(self),
                 end - start,
+                url,
             )
 
         # Overwrite properties that have been set in the config file.
diff --git a/tests/helpers/test_entity.py b/tests/helpers/test_entity.py
index 749c11ff1a5..9977c99904a 100644
--- a/tests/helpers/test_entity.py
+++ b/tests/helpers/test_entity.py
@@ -661,3 +661,22 @@ async def test_capability_attrs(hass):
     assert state is not None
     assert state.state == STATE_UNAVAILABLE
     assert state.attributes["always"] == "there"
+
+
+async def test_warn_slow_write_state(hass, caplog):
+    """Check that we log a warning if reading properties takes too long."""
+    mock_entity = entity.Entity()
+    mock_entity.hass = hass
+    mock_entity.entity_id = "comp_test.test_entity"
+    mock_entity.platform = MagicMock(platform_name="hue")
+
+    with patch("homeassistant.helpers.entity.timer", side_effect=[0, 10]):
+        mock_entity.async_write_ha_state()
+
+    assert (
+        "Updating state for comp_test.test_entity "
+        "(<class 'homeassistant.helpers.entity.Entity'>) "
+        "took 10.000 seconds. Please create a bug report at "
+        "https://github.com/home-assistant/home-assistant/issues?"
+        "q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+hue%22"
+    ) in caplog.text