diff --git a/lib/src/enum/swipe_anchor.dart b/lib/src/enum/swipe_anchor.dart
index d4d64e7..7b65dd3 100644
--- a/lib/src/enum/swipe_anchor.dart
+++ b/lib/src/enum/swipe_anchor.dart
@@ -4,4 +4,5 @@ part of '../swipable_stack.dart';
 enum SwipeAnchor {
   top,
   bottom,
+  none,
 }
diff --git a/lib/src/swipable_stack.dart b/lib/src/swipable_stack.dart
index 33feb27..48fed43 100644
--- a/lib/src/swipable_stack.dart
+++ b/lib/src/swipable_stack.dart
@@ -823,6 +823,8 @@ class _SwipablePositioned extends StatelessWidget {
         return angle;
       case SwipeAnchor.bottom:
         return -angle;
+      case SwipeAnchor.none:
+        return 0;
       case null:
         return _swipingTop ? -angle : angle;
     }