1 files changed, 7 insertions, 1 deletions
diff --git a/dom/html/HTMLObjectElement.cpp b/dom/html/HTMLObjectElement.cpp
index e0e79b69af..a0d06a8c65 100644
--- a/dom/html/HTMLObjectElement.cpp
+++ b/dom/html/HTMLObjectElement.cpp
@@ -193,7 +193,13 @@ HTMLObjectElement::AfterMaybeChangeAttr(int32_t aNamespaceID, nsIAtom* aName,
     // attributes before inserting the node into the document.
     if (aNotify && IsInComposedDoc() && mIsDoneAddingChildren &&
         aName == nsGkAtoms::data) {
-      return LoadObject(aNotify, true);
+      nsContentUtils::AddScriptRunner(NS_NewRunnableFunction(
+          [self = RefPtr<HTMLObjectElement>(this), aNotify]() {
+            if (self->IsInComposedDoc()) {
+              self->LoadObject(aNotify, true);
+            }
+          }));
+      return NS_OK;
     }
   }