diff --git a/layout/style/crashtests/1593766.html b/layout/style/crashtests/1593766.html
new file mode 100644
index 000000000000..5fe3dd0be25b
--- /dev/null
+++ b/layout/style/crashtests/1593766.html
@@ -0,0 +1,3 @@
+<script>
+  typeof (window.paintWorklet || CSS.paintWorklet);
+</script>
diff --git a/layout/style/crashtests/crashtests.list b/layout/style/crashtests/crashtests.list
index 9f00be7d5c1d..a37c3c9c61c5 100644
--- a/layout/style/crashtests/crashtests.list
+++ b/layout/style/crashtests/crashtests.list
@@ -309,3 +309,4 @@ load 1566684.html
 load 1579788.html
 load 1580307.html
 load 1581579.html
+pref(dom.paintWorklet.enabled,true) pref(dom.worklet.enabled,true) load 1593766.html