diff --git a/dom/plugins/test/crashtests/843086.xhtml b/dom/plugins/test/crashtests/843086.xhtml
new file mode 100644
index 000000000000..a88e2193fc8b
--- /dev/null
+++ b/dom/plugins/test/crashtests/843086.xhtml
@@ -0,0 +1 @@
+<applet xmlns="http://www.w3.org/1999/xhtml" />
diff --git a/dom/plugins/test/crashtests/crashtests.list b/dom/plugins/test/crashtests/crashtests.list
index 65bf5d0c01fe..59982f51d899 100644
--- a/dom/plugins/test/crashtests/crashtests.list
+++ b/dom/plugins/test/crashtests/crashtests.list
@@ -13,3 +13,4 @@ skip-if(browserIsRemote||!haveTestPlugin||http.platform!="X11") load 598862.html
 # SkiaGL is causing a compositor hang here, disable temporarily while that gets resolved in bug 908363
 skip-if(Android) load 626602-1.html
 load 752340.html
+load 843086.xhtml