diff --git a/packages/scrollable_positioned_list/lib/src/scrollable_positioned_list.dart b/packages/scrollable_positioned_list/lib/src/scrollable_positioned_list.dart
index 60045e9b..78aa729c 100644
--- a/packages/scrollable_positioned_list/lib/src/scrollable_positioned_list.dart
+++ b/packages/scrollable_positioned_list/lib/src/scrollable_positioned_list.dart
@@ -327,7 +327,7 @@ class _ScrollablePositionedListState extends State<ScrollablePositionedList>
   @override
   void initState() {
     super.initState();
-    ItemPosition? initialPosition = PageStorage.of(context).readState(context);
+    ItemPosition? initialPosition = PageStorage.of(context)?.readState(context);
     primary.target = initialPosition?.index ?? widget.initialScrollIndex;
     primary.alignment =
         initialPosition?.itemLeadingEdge ?? widget.initialAlignment;
@@ -643,7 +643,7 @@ class _ScrollablePositionedListState extends State<ScrollablePositionedList>
         .where((ItemPosition position) =>
             position.itemLeadingEdge < 1 && position.itemTrailingEdge > 0);
     if (itemPositions.isNotEmpty) {
-      PageStorage.of(context).writeState(
+      PageStorage.of(context)?.writeState(
           context,
           itemPositions.reduce((value, element) =>
               value.itemLeadingEdge < element.itemLeadingEdge