diff --git a/homeassistant/components/teslemetry/cover.py b/homeassistant/components/teslemetry/cover.py
index be85a877c86..c58559ab308 100644
--- a/homeassistant/components/teslemetry/cover.py
+++ b/homeassistant/components/teslemetry/cover.py
@@ -201,14 +201,22 @@ class TeslemetryStreamingWindowEntity(
     def _handle_stream_update(self, data) -> None:
         """Update the entity attributes."""
 
-        if value := data.get(Signal.FD_WINDOW):
-            self.fd = WindowState.get(value) == "closed"
-        if value := data.get(Signal.FP_WINDOW):
-            self.fp = WindowState.get(value) == "closed"
-        if value := data.get(Signal.RD_WINDOW):
-            self.rd = WindowState.get(value) == "closed"
-        if value := data.get(Signal.RP_WINDOW):
-            self.rp = WindowState.get(value) == "closed"
+        change = False
+        if value := data["data"].get(Signal.FD_WINDOW):
+            self.fd = WindowState.get(value) == "Closed"
+            change = True
+        if value := data["data"].get(Signal.FP_WINDOW):
+            self.fp = WindowState.get(value) == "Closed"
+            change = True
+        if value := data["data"].get(Signal.RD_WINDOW):
+            self.rd = WindowState.get(value) == "Closed"
+            change = True
+        if value := data["data"].get(Signal.RP_WINDOW):
+            self.rp = WindowState.get(value) == "Closed"
+            change = True
+
+        if not change:
+            return
 
         if False in (self.fd, self.fp, self.rd, self.rp):
             self._attr_is_closed = False
diff --git a/tests/components/teslemetry/snapshots/test_cover.ambr b/tests/components/teslemetry/snapshots/test_cover.ambr
index 9548a911cf9..438738ff2b9 100644
--- a/tests/components/teslemetry/snapshots/test_cover.ambr
+++ b/tests/components/teslemetry/snapshots/test_cover.ambr
@@ -713,11 +713,11 @@
   'unknown'
 # ---
 # name: test_cover_streaming[cover.test_windows-closed]
-  'unknown'
+  'closed'
 # ---
 # name: test_cover_streaming[cover.test_windows-open]
-  'unknown'
+  'open'
 # ---
 # name: test_cover_streaming[cover.test_windows-unknown]
-  'unknown'
+  'open'
 # ---