diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp
index ec76b90ae61..22024ef7895 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp
@@ -128,12 +128,12 @@ Optional<ARIA::Role> HTMLAnchorElement::default_role() const
 }
 
 // https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-rellist
-JS::GCPtr<DOM::DOMTokenList> HTMLAnchorElement::rel_list()
+JS::NonnullGCPtr<DOM::DOMTokenList> HTMLAnchorElement::rel_list()
 {
     // The IDL attribute relList must reflect the rel content attribute.
     if (!m_rel_list)
         m_rel_list = DOM::DOMTokenList::create(*this, HTML::AttributeNames::rel);
-    return m_rel_list;
+    return *m_rel_list;
 }
 
 // https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-text
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h
index 825a7b65eea..b8b8d60ae75 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h
@@ -24,7 +24,7 @@ public:
     String target() const { return get_attribute_value(HTML::AttributeNames::target); }
     String download() const { return get_attribute_value(HTML::AttributeNames::download); }
 
-    JS::GCPtr<DOM::DOMTokenList> rel_list();
+    JS::NonnullGCPtr<DOM::DOMTokenList> rel_list();
 
     String text() const;
     void set_text(String const&);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp
index b48a4b044f2..048d2ca3f3a 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp
@@ -39,12 +39,12 @@ void HTMLAreaElement::attribute_changed(FlyString const& name, Optional<String>
 }
 
 // https://html.spec.whatwg.org/multipage/image-maps.html#dom-area-rellist
-JS::GCPtr<DOM::DOMTokenList> HTMLAreaElement::rel_list()
+JS::NonnullGCPtr<DOM::DOMTokenList> HTMLAreaElement::rel_list()
 {
     // The IDL attribute relList must reflect the rel content attribute.
     if (!m_rel_list)
         m_rel_list = DOM::DOMTokenList::create(*this, HTML::AttributeNames::rel);
-    return m_rel_list;
+    return *m_rel_list;
 }
 
 Optional<String> HTMLAreaElement::hyperlink_element_utils_href() const
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.h b/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.h
index 5f63b2b8d0b..45bfb61c740 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLAreaElement.h
@@ -20,7 +20,7 @@ class HTMLAreaElement final
 
 public:
     virtual ~HTMLAreaElement() override;
-    JS::GCPtr<DOM::DOMTokenList> rel_list();
+    JS::NonnullGCPtr<DOM::DOMTokenList> rel_list();
 
 private:
     HTMLAreaElement(DOM::Document&, DOM::QualifiedName);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
index 78b71243805..fa23043fb69 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
@@ -586,12 +586,12 @@ StringView HTMLFormElement::method() const
 }
 
 // https://html.spec.whatwg.org/multipage/forms.html#dom-form-rellist
-JS::GCPtr<DOM::DOMTokenList> HTMLFormElement::rel_list()
+JS::NonnullGCPtr<DOM::DOMTokenList> HTMLFormElement::rel_list()
 {
     // The relList IDL attribute must reflect the rel content attribute.
     if (!m_rel_list)
         m_rel_list = DOM::DOMTokenList::create(*this, HTML::AttributeNames::rel);
-    return m_rel_list;
+    return *m_rel_list;
 }
 
 // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fs-method
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.h b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.h
index 0cc5052a981..7ab8b051000 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.h
@@ -92,7 +92,7 @@ public:
     StringView method() const;
     WebIDL::ExceptionOr<void> set_method(String const&);
 
-    JS::GCPtr<DOM::DOMTokenList> rel_list();
+    JS::NonnullGCPtr<DOM::DOMTokenList> rel_list();
 
     String action() const;
     WebIDL::ExceptionOr<void> set_action(String const&);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
index 88b6b70e32f..03e25f1cab4 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
@@ -91,12 +91,12 @@ void HTMLLinkElement::inserted()
 }
 
 // https://html.spec.whatwg.org/multipage/semantics.html#dom-link-rellist
-JS::GCPtr<DOM::DOMTokenList> HTMLLinkElement::rel_list()
+JS::NonnullGCPtr<DOM::DOMTokenList> HTMLLinkElement::rel_list()
 {
     // The relList IDL attribute must reflect the rel content attribute.
     if (!m_rel_list)
         m_rel_list = DOM::DOMTokenList::create(*this, HTML::AttributeNames::rel);
-    return m_rel_list;
+    return *m_rel_list;
 }
 
 bool HTMLLinkElement::has_loaded_icon() const
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.h b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.h
index 4a876183c59..ddf2cfcddd1 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLLinkElement.h
@@ -34,7 +34,7 @@ public:
     String type() const { return get_attribute_value(HTML::AttributeNames::type); }
     String href() const { return get_attribute_value(HTML::AttributeNames::href); }
 
-    JS::GCPtr<DOM::DOMTokenList> rel_list();
+    JS::NonnullGCPtr<DOM::DOMTokenList> rel_list();
 
     bool has_loaded_icon() const;
     bool load_favicon_and_use_if_window_is_active();