diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
index 4c5974c99a..5972f4335f 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
@@ -73,12 +73,12 @@ bool TokenStream<T>::has_next_token()
 }
 
 template<typename T>
-T const& TokenStream<T>::peek_token()
+T const& TokenStream<T>::peek_token(int offset)
 {
     if (!has_next_token())
         return m_eof;
 
-    return m_tokens.at(m_iterator_offset + 1);
+    return m_tokens.at(m_iterator_offset + offset + 1);
 }
 
 template<typename T>
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.h b/Userland/Libraries/LibWeb/CSS/Parser/Parser.h
index 18c3fde58e..fa7d47f6b2 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.h
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.h
@@ -52,7 +52,7 @@ public:
 
     bool has_next_token();
     T const& next_token();
-    T const& peek_token();
+    T const& peek_token(int offset = 0);
     T const& current_token();
     void reconsume_current_input_token();