diff --git a/.changeset/tiny-buckets-love.md b/.changeset/tiny-buckets-love.md
new file mode 100644
index 00000000..1f67b3f4
--- /dev/null
+++ b/.changeset/tiny-buckets-love.md
@@ -0,0 +1,5 @@
+---
+'rrweb': patch
+---
+
+Handle case where `event` is null/undefined
diff --git a/packages/rrweb/src/record/observer.ts b/packages/rrweb/src/record/observer.ts
index 0da565f0..9a02c4ad 100644
--- a/packages/rrweb/src/record/observer.ts
+++ b/packages/rrweb/src/record/observer.ts
@@ -76,10 +76,11 @@ function getEventTarget(event: Event | NonStandardEvent): EventTarget | null {
     } else if ('path' in event && event.path.length) {
       return event.path[0];
     }
-    return event.target;
   } catch {
-    return event.target;
+    // fallback to `event.target` below
   }
+
+  return event && event.target;
 }
 
 export function initMutationObserver(