diff --git a/lib/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart b/lib/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart
index cb038e5..c35d5d6 100644
--- a/lib/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart
+++ b/lib/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart
@@ -60,7 +60,7 @@ class ReadingValueContainer extends StatelessWidget implements AnimatedDialogClo
                   top: 0,
                   right: 0,
                   child: Icon(
-                    Icons.lock_outline,
+                    Icons.lock,
                     size: Theme.of(context).textTheme.labelMedium!.fontSize,
                     color: Theme.of(context).colorScheme.onPrimaryContainer,
                   ),
diff --git a/test/screens/timer/goldens/timer_screen.png b/test/screens/timer/goldens/timer_screen.png
index bf3ac51..f08e7ca 100644
Binary files a/test/screens/timer/goldens/timer_screen.png and b/test/screens/timer/goldens/timer_screen.png differ