diff --git a/src/parser/affiliated_keyword.rs b/src/parser/affiliated_keyword.rs
index ea8565ca..485fadc7 100644
--- a/src/parser/affiliated_keyword.rs
+++ b/src/parser/affiliated_keyword.rs
@@ -48,13 +48,7 @@ where
                     AffiliatedKeywordValue::ListOfStrings(Vec::with_capacity(1))
                 });
                 match list_of_strings {
-                    AffiliatedKeywordValue::ListOfStrings(list_of_strings)
-                        if list_of_strings.is_empty() =>
-                    {
-                        list_of_strings.push(kw.value);
-                    }
                     AffiliatedKeywordValue::ListOfStrings(list_of_strings) => {
-                        list_of_strings.clear();
                         list_of_strings.push(kw.value);
                     }
                     _ => panic!("Invalid AffiliatedKeywordValue type."),