diff --git a/homeassistant/components/homematicip_cloud/cover.py b/homeassistant/components/homematicip_cloud/cover.py
index e3efe9a9508..32f38637e36 100644
--- a/homeassistant/components/homematicip_cloud/cover.py
+++ b/homeassistant/components/homematicip_cloud/cover.py
@@ -58,7 +58,9 @@ class HomematicipCoverShutter(HomematicipGenericDevice, CoverDevice):
     @property
     def current_cover_position(self) -> int:
         """Return current position of cover."""
-        return int((1 - self._device.shutterLevel) * 100)
+        if self._device.shutterLevel is not None:
+            return int((1 - self._device.shutterLevel) * 100)
+        return None
 
     async def async_set_cover_position(self, **kwargs) -> None:
         """Move the cover to a specific position."""
@@ -93,7 +95,9 @@ class HomematicipCoverSlats(HomematicipCoverShutter, CoverDevice):
     @property
     def current_cover_tilt_position(self) -> int:
         """Return current tilt position of cover."""
-        return int((1 - self._device.slatsLevel) * 100)
+        if self._device.slatsLevel is not None:
+            return int((1 - self._device.slatsLevel) * 100)
+        return None
 
     async def async_set_cover_tilt_position(self, **kwargs) -> None:
         """Move the cover to a specific tilt position."""
diff --git a/tests/components/homematicip_cloud/test_cover.py b/tests/components/homematicip_cloud/test_cover.py
index 728d60d5501..5b267628ae3 100644
--- a/tests/components/homematicip_cloud/test_cover.py
+++ b/tests/components/homematicip_cloud/test_cover.py
@@ -7,7 +7,7 @@ from homeassistant.components.cover import (
     DOMAIN as COVER_DOMAIN,
 )
 from homeassistant.components.homematicip_cloud import DOMAIN as HMIPC_DOMAIN
-from homeassistant.const import STATE_CLOSED, STATE_OPEN
+from homeassistant.const import STATE_CLOSED, STATE_OPEN, STATE_UNKNOWN
 from homeassistant.setup import async_setup_component
 
 from .helper import async_manipulate_test_data, get_and_check_entity_basics
@@ -87,7 +87,7 @@ async def test_hmip_cover_shutter(hass, default_mock_hap):
 
     await async_manipulate_test_data(hass, hmip_device, "shutterLevel", None)
     ha_state = hass.states.get(entity_id)
-    assert ha_state.state == STATE_CLOSED
+    assert ha_state.state == STATE_UNKNOWN
 
 
 async def test_hmip_cover_slats(hass, default_mock_hap):
@@ -154,7 +154,7 @@ async def test_hmip_cover_slats(hass, default_mock_hap):
 
     await async_manipulate_test_data(hass, hmip_device, "shutterLevel", None)
     ha_state = hass.states.get(entity_id)
-    assert ha_state.state == STATE_OPEN
+    assert ha_state.state == STATE_UNKNOWN
 
 
 async def test_hmip_garage_door_tormatic(hass, default_mock_hap):