diff --git a/dashboard/src/ui.rs b/dashboard/src/ui.rs
index fc8d6a3..7b19821 100644
--- a/dashboard/src/ui.rs
+++ b/dashboard/src/ui.rs
@@ -49,7 +49,7 @@ pub fn apply_theme(app: &AppWindow, entities: &Vec<HassEntity>) {
             let mut color_scheme = app.get_color_scheme();
             if illuminance < 250 {
                 color_scheme = ColorScheme::Dark;
-            } else if illuminance > 300 {
+            } else if illuminance > 450 {
                 color_scheme = ColorScheme::Light;
             }