diff --git a/homeassistant/config_entries.py b/homeassistant/config_entries.py
index 046f403642e..f4e61bfffbd 100644
--- a/homeassistant/config_entries.py
+++ b/homeassistant/config_entries.py
@@ -1348,7 +1348,7 @@ class ConfigEntries:
             ("pref_disable_new_entities", pref_disable_new_entities),
             ("pref_disable_polling", pref_disable_polling),
         ):
-            if value == UNDEFINED or getattr(entry, attr) == value:
+            if value is UNDEFINED or getattr(entry, attr) == value:
                 continue
 
             setattr(entry, attr, value)