diff --git a/lib/chip_field/multi_select_chip_field.dart b/lib/chip_field/multi_select_chip_field.dart
index 1f420ce..1954d4e 100644
--- a/lib/chip_field/multi_select_chip_field.dart
+++ b/lib/chip_field/multi_select_chip_field.dart
@@ -270,7 +270,7 @@ class __MultiSelectChipFieldViewState<V>
       _selectedValues.addAll(widget.initialValue!);
     }
     if (widget.scrollControl != null && widget.scroll)
-      WidgetsBinding.instance!.addPostFrameCallback((_) => _scrollToPosition());
+      WidgetsBinding.instance.addPostFrameCallback((_) => _scrollToPosition());
   }
 
   _scrollToPosition() {