From 4b3449fe0c6b73c1329270d71b6d9a435942f5f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20H=C3=B6rsken?= <mback2k@users.noreply.github.com>
Date: Sat, 28 Jun 2025 21:57:26 +0200
Subject: [PATCH] Fix error if cover position is not available or unknown
 (#147732)

---
 homeassistant/components/wmspro/cover.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/homeassistant/components/wmspro/cover.py b/homeassistant/components/wmspro/cover.py
index 0d9ccb8547d..77dd928bc95 100644
--- a/homeassistant/components/wmspro/cover.py
+++ b/homeassistant/components/wmspro/cover.py
@@ -53,6 +53,8 @@ class WebControlProCover(WebControlProGenericEntity, CoverEntity):
     def current_cover_position(self) -> int | None:
         """Return current position of cover."""
         action = self._dest.action(self._drive_action_desc)
+        if action is None or action["percentage"] is None:
+            return None
         return 100 - action["percentage"]
 
     async def async_set_cover_position(self, **kwargs: Any) -> None: