diff --git a/homeassistant/helpers/device_registry.py b/homeassistant/helpers/device_registry.py
index 72d0cf651f2..c7f7d4c369d 100644
--- a/homeassistant/helpers/device_registry.py
+++ b/homeassistant/helpers/device_registry.py
@@ -1221,8 +1221,6 @@ class DeviceRegistry(BaseRegistry[dict[str, list[dict[str, Any]]]]):
             ("name", name),
             ("name_by_user", name_by_user),
             ("serial_number", serial_number),
-            # Can be removed when suggested_area is removed from DeviceEntry
-            ("suggested_area", suggested_area),
             ("sw_version", sw_version),
             ("via_device_id", via_device_id),
         ):
@@ -1230,6 +1228,11 @@ class DeviceRegistry(BaseRegistry[dict[str, list[dict[str, Any]]]]):
                 new_values[attr_name] = value
                 old_values[attr_name] = getattr(old, attr_name)
 
+        # Can be removed when suggested_area is removed from DeviceEntry
+        if suggested_area is not UNDEFINED and suggested_area != old._suggested_area:  # noqa: SLF001
+            new_values["suggested_area"] = suggested_area
+            old_values["suggested_area"] = old._suggested_area  # noqa: SLF001
+
         if old.is_new:
             new_values["is_new"] = False