diff --git a/packages/replay/src/util/hasSessionStorage.ts b/packages/replay/src/util/hasSessionStorage.ts
index f242df101c25..e7be6788eb1a 100644
--- a/packages/replay/src/util/hasSessionStorage.ts
+++ b/packages/replay/src/util/hasSessionStorage.ts
@@ -2,5 +2,10 @@ import { WINDOW } from '../constants';
 
 /** If sessionStorage is available. */
 export function hasSessionStorage(): boolean {
-  return 'sessionStorage' in WINDOW && !!WINDOW.sessionStorage;
+  try {
+    // This can throw, e.g. when being accessed in a sandboxed iframe
+    return 'sessionStorage' in WINDOW && !!WINDOW.sessionStorage;
+  } catch {
+    return false;
+  }
 }