diff --git a/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
index c922f82b3a..5c5aa9f219 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLObjectElement.cpp
@@ -215,7 +215,11 @@ void HTMLObjectElement::run_object_representation_handler_steps(Optional
// * If the resource type starts with "image/", and support for images has not been disabled
// FIXME: Handle disabling image support.
else if (resource_type.has_value() && resource_type->starts_with("image/"sv)) {
- // FIXME: If the object element's nested browsing context is non-null, then it must be discarded and then set to null.
+ // If the object element's nested browsing context is non-null, then it must be discarded and then set to null.
+ if (m_nested_browsing_context) {
+ discard_nested_browsing_context();
+ m_nested_browsing_context = nullptr;
+ }
// Apply the image sniffing rules to determine the type of the image.
// The object element represents the specified image.