diff --git a/flutter/lib/mobile/widgets/custom_scale_widget.dart b/flutter/lib/mobile/widgets/custom_scale_widget.dart
index 1976f6243..b62d17cc2 100644
--- a/flutter/lib/mobile/widgets/custom_scale_widget.dart
+++ b/flutter/lib/mobile/widgets/custom_scale_widget.dart
@@ -177,7 +177,7 @@ class _MobileCustomScaleControlsState extends State<MobileCustomScaleControls> {
             children: [
               IconButton(
                 iconSize: 20,
-                padding: EdgeInsets.all(4),
+                padding: const EdgeInsets.all(4),
                 constraints: smallBtnConstraints,
                 icon: const Icon(Icons.remove),
                 tooltip: translate('Decrease'),