diff --git a/.changeset/nice-flowers-arrive.md b/.changeset/nice-flowers-arrive.md
new file mode 100644
index 000000000..16f5b3924
--- /dev/null
+++ b/.changeset/nice-flowers-arrive.md
@@ -0,0 +1,5 @@
+---
+'@lion/overlays': patch
+---
+
+Guard backdrop node parentNode when removing the backdrop node on teardown.
diff --git a/packages/overlays/src/OverlayController.js b/packages/overlays/src/OverlayController.js
index f09371879..8f8bd748e 100644
--- a/packages/overlays/src/OverlayController.js
+++ b/packages/overlays/src/OverlayController.js
@@ -1016,8 +1016,8 @@ export class OverlayController extends EventTargetShim {
           this.__backdropNodeToBeTornDown = this.backdropNode;
 
           this.__backdropAnimation.then(() => {
-            if (this.__backdropNodeToBeTornDown) {
-              /** @type {HTMLElement} */ (this.__backdropNodeToBeTornDown.parentNode).removeChild(
+            if (this.__backdropNodeToBeTornDown && this.__backdropNodeToBeTornDown.parentNode) {
+              this.__backdropNodeToBeTornDown.parentNode.removeChild(
                 this.__backdropNodeToBeTornDown,
               );
             }