diff --git a/packages/flutter/lib/src/material/slider.dart b/packages/flutter/lib/src/material/slider.dart
index 36ac5df116..d519bf79b4 100644
--- a/packages/flutter/lib/src/material/slider.dart
+++ b/packages/flutter/lib/src/material/slider.dart
@@ -622,7 +622,7 @@ class _RenderSlider extends RenderBox {
       final double distance = (_value - _state.positionController.value).abs();
       _state.positionController.duration = distance != 0.0
         ? _positionAnimationDuration * (1.0 / distance)
-        : 0.0;
+        : Duration.zero;
       _state.positionController.animateTo(convertedValue, curve: Curves.easeInOut);
     } else {
       _state.positionController.value = convertedValue;