diff --git a/Libraries/LibWeb/CSS/Selector.cpp b/Libraries/LibWeb/CSS/Selector.cpp
index e387005b6b4..f8fc177db9b 100644
--- a/Libraries/LibWeb/CSS/Selector.cpp
+++ b/Libraries/LibWeb/CSS/Selector.cpp
@@ -154,6 +154,7 @@ void Selector::collect_ancestor_hashes()
     for (ssize_t compound_selector_index = static_cast<ssize_t>(m_compound_selectors.size()) - 2; compound_selector_index >= 0; --compound_selector_index) {
         auto const& compound_selector = m_compound_selectors[compound_selector_index];
         if (last_combinator == Combinator::Descendant || last_combinator == Combinator::ImmediateChild) {
+            m_can_use_ancestor_filter = true;
             for (auto const& simple_selector : compound_selector.simple_selectors) {
                 switch (simple_selector.type) {
                 case SimpleSelector::Type::Id:
diff --git a/Libraries/LibWeb/CSS/Selector.h b/Libraries/LibWeb/CSS/Selector.h
index d8f4679b0fa..a0b9bbd509f 100644
--- a/Libraries/LibWeb/CSS/Selector.h
+++ b/Libraries/LibWeb/CSS/Selector.h
@@ -269,6 +269,7 @@ public:
     auto const& ancestor_hashes() const { return m_ancestor_hashes; }
 
     bool can_use_fast_matches() const { return m_can_use_fast_matches; }
+    bool can_use_ancestor_filter() const { return m_can_use_ancestor_filter; }
 
 private:
     explicit Selector(Vector<CompoundSelector>&&);
@@ -277,6 +278,7 @@ private:
     mutable Optional<u32> m_specificity;
     Optional<Selector::PseudoElement> m_pseudo_element;
     bool m_can_use_fast_matches { false };
+    bool m_can_use_ancestor_filter { false };
     bool m_contains_the_nesting_selector { false };
     bool m_contains_hover_pseudo_class { false };
 
diff --git a/Libraries/LibWeb/CSS/StyleComputer.cpp b/Libraries/LibWeb/CSS/StyleComputer.cpp
index 0f1a996b283..a60e5b4fefe 100644
--- a/Libraries/LibWeb/CSS/StyleComputer.cpp
+++ b/Libraries/LibWeb/CSS/StyleComputer.cpp
@@ -503,7 +503,8 @@ Vector<MatchingRule const*> StyleComputer::collect_matching_rules(DOM::Element c
         if (!rule_is_relevant_for_current_scope)
             return;
 
-        if (should_reject_with_ancestor_filter(rule_to_run.selector))
+        auto const& selector = rule_to_run.selector;
+        if (selector.can_use_ancestor_filter() && should_reject_with_ancestor_filter(selector))
             return;
 
         rules_to_run.unchecked_append(rule_to_run);
diff --git a/Libraries/LibWeb/DOM/Document.cpp b/Libraries/LibWeb/DOM/Document.cpp
index 0ecc1913c4e..b56c73edefb 100644
--- a/Libraries/LibWeb/DOM/Document.cpp
+++ b/Libraries/LibWeb/DOM/Document.cpp
@@ -1741,7 +1741,7 @@ void Document::invalidate_style_for_elements_affected_by_hover_change(Node& old_
             return false;
 
         auto const& selector = rule.selector;
-        if (style_computer.should_reject_with_ancestor_filter(selector))
+        if (selector.can_use_ancestor_filter() && style_computer.should_reject_with_ancestor_filter(selector))
             return false;
 
         SelectorEngine::MatchContext context;