diff --git a/custom_components/adaptive_lighting/const.py b/custom_components/adaptive_lighting/const.py
index 15d1487b..c6c95677 100644
--- a/custom_components/adaptive_lighting/const.py
+++ b/custom_components/adaptive_lighting/const.py
@@ -240,7 +240,7 @@ def int_between(min_int, max_int):
 
 VALIDATION_TUPLES = [
     (CONF_LIGHTS, DEFAULT_LIGHTS, cv.entity_ids),
-    (CONF_WATCHED_LIGHTS, DEFAULT_WATCHED_LIGHTS, dict[str]),
+    (CONF_WATCHED_LIGHTS, DEFAULT_WATCHED_LIGHTS, dict),
     (CONF_PREFER_RGB_COLOR, DEFAULT_PREFER_RGB_COLOR, bool),
     (CONF_INCLUDE_CONFIG_IN_ATTRIBUTES, DEFAULT_INCLUDE_CONFIG_IN_ATTRIBUTES, bool),
     (CONF_INITIAL_TRANSITION, DEFAULT_INITIAL_TRANSITION, VALID_TRANSITION),