diff --git a/Tests/LibWeb/Text/expected/WebAnimations/misc/animate-no-window.txt b/Tests/LibWeb/Text/expected/WebAnimations/misc/animate-no-window.txt
new file mode 100644
index 00000000000..aaecaf93c4a
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/WebAnimations/misc/animate-no-window.txt
@@ -0,0 +1 @@
+PASS (didn't crash)
diff --git a/Tests/LibWeb/Text/input/WebAnimations/misc/animate-no-window.html b/Tests/LibWeb/Text/input/WebAnimations/misc/animate-no-window.html
new file mode 100644
index 00000000000..f59a135a08c
--- /dev/null
+++ b/Tests/LibWeb/Text/input/WebAnimations/misc/animate-no-window.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<script src="../../include.js"></script>
+<script>
+    test(() => {
+        const divElement = document.createElement("div");
+        const newDocument = document.implementation.createDocument("http://www.w3.org/1999/xhtml", "html");
+        newDocument.documentElement.appendChild(divElement)
+        animation = divElement.animate({}, {});
+        println("PASS (didn't crash)");
+    });
+</script>
diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index 8c75b7cee62..257987d39d2 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -4185,8 +4185,9 @@ void Document::ensure_animation_timer()
                 m_animation_driver_timer->stop();
                 return;
             }
-
-            update_animations_and_send_events(window()->performance()->now());
+            auto* window_or_worker = dynamic_cast<HTML::WindowOrWorkerGlobalScopeMixin*>(&realm().global_object());
+            VERIFY(window_or_worker);
+            update_animations_and_send_events(window_or_worker->performance()->now());
         }));
     }
 
