diff --git a/crates/parser/src/lexed_str.rs b/crates/parser/src/lexed_str.rs
index ff924830ae..3590486bd2 100644
--- a/crates/parser/src/lexed_str.rs
+++ b/crates/parser/src/lexed_str.rs
@@ -198,6 +198,13 @@ impl<'a> Converter<'a> {
                     }
                     LIFETIME_IDENT
                 }
+                rustc_lexer::TokenKind::UnknownPrefixLifetime => {
+                    err = "Unknown lifetime prefix";
+                    LIFETIME_IDENT
+                }
+                rustc_lexer::TokenKind::RawLifetime => {
+                    LIFETIME_IDENT
+                }
 
                 rustc_lexer::TokenKind::Semi => T![;],
                 rustc_lexer::TokenKind::Comma => T![,],