diff --git a/src/extension.js b/src/extension.js
index d61b669..410244d 100644
--- a/src/extension.js
+++ b/src/extension.js
@@ -74,7 +74,7 @@ function _build_theme_variants() {
 }
 
 function _apply_theme_variant() {
-	nightlight_active = proxy.get_cached_property('NightLightActive').get_boolean();
+	nightlight_active = proxy.get_cached_property('NightLightActive').get_boolean() || false;
 	_set_theme(nightlight_active ? user_theme_night : user_theme_day);
 }