diff --git a/Userland/Libraries/LibWeb/Crypto/Crypto.cpp b/Userland/Libraries/LibWeb/Crypto/Crypto.cpp
index 04ac2da358..3a02c11aa9 100644
--- a/Userland/Libraries/LibWeb/Crypto/Crypto.cpp
+++ b/Userland/Libraries/LibWeb/Crypto/Crypto.cpp
@@ -14,9 +14,9 @@
 
 namespace Web::Crypto {
 
-JS::NonnullGCPtr<Crypto> Crypto::create(JS::Realm& realm)
+WebIDL::ExceptionOr<JS::NonnullGCPtr<Crypto>> Crypto::create(JS::Realm& realm)
 {
-    return realm.heap().allocate<Crypto>(realm, realm).release_allocated_value_but_fixme_should_propagate_errors();
+    return MUST_OR_THROW_OOM(realm.heap().allocate<Crypto>(realm, realm));
 }
 
 Crypto::Crypto(JS::Realm& realm)
diff --git a/Userland/Libraries/LibWeb/Crypto/Crypto.h b/Userland/Libraries/LibWeb/Crypto/Crypto.h
index 2573bbb344..7811736aaa 100644
--- a/Userland/Libraries/LibWeb/Crypto/Crypto.h
+++ b/Userland/Libraries/LibWeb/Crypto/Crypto.h
@@ -16,7 +16,7 @@ class Crypto : public Bindings::PlatformObject {
     WEB_PLATFORM_OBJECT(Crypto, Bindings::PlatformObject);
 
 public:
-    static JS::NonnullGCPtr<Crypto> create(JS::Realm&);
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<Crypto>> create(JS::Realm&);
 
     virtual ~Crypto() override;
 
diff --git a/Userland/Libraries/LibWeb/HTML/Window.cpp b/Userland/Libraries/LibWeb/HTML/Window.cpp
index 4d8f297844..df10d27f3a 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Window.cpp
@@ -1067,7 +1067,7 @@ void Window::initialize_web_interfaces(Badge<WindowEnvironmentSettingsObject>)
 
     Object::set_prototype(&Bindings::ensure_web_prototype<Bindings::WindowPrototype>(realm, "Window"));
 
-    m_crypto = Crypto::Crypto::create(realm);
+    m_crypto = Crypto::Crypto::create(realm).release_value_but_fixme_should_propagate_errors();
 
     // FIXME: These should be native accessors, not properties
     define_native_accessor(realm, "top", top_getter, nullptr, JS::Attribute::Enumerable);