diff --git a/crates/oxc_parser/src/lib.rs b/crates/oxc_parser/src/lib.rs
index 2e0d83037..12c4fbe74 100644
--- a/crates/oxc_parser/src/lib.rs
+++ b/crates/oxc_parser/src/lib.rs
@@ -225,7 +225,9 @@ impl<'a> Parser<'a> {
         // The lexer should have reported a more meaningful diagnostic
         // when it is a undetermined kind.
         if self.cur_kind() == Kind::Undetermined {
-            return self.lexer.errors.pop().unwrap();
+            if let Some(error) = self.lexer.errors.pop() {
+                return error;
+            }
         }
         diagnostics::UnexpectedToken(self.cur_token().span()).into()
     }