diff --git a/.changeset/rare-crabs-add.md b/.changeset/rare-crabs-add.md
new file mode 100644
index 00000000..9cbc1a50
--- /dev/null
+++ b/.changeset/rare-crabs-add.md
@@ -0,0 +1,5 @@
+---
+'@tanstack/virtual-core': patch
+---
+
+fix(virtual-core): prevent scrollToIndex crash on unmount
diff --git a/packages/virtual-core/src/index.ts b/packages/virtual-core/src/index.ts
index 6c1cafa4..6da9866e 100644
--- a/packages/virtual-core/src/index.ts
+++ b/packages/virtual-core/src/index.ts
@@ -1112,7 +1112,7 @@ export class Virtualizer<
 
         // In dynamic mode, wait an extra frame for ResizeObserver to measure newly visible elements
         if (this.isDynamicMode()) {
-          this.targetWindow!.requestAnimationFrame(verify)
+          this.targetWindow?.requestAnimationFrame(verify)
         } else {
           verify()
         }