diff --git a/lychee.toml b/lychee.toml
index 53532a9952..237eb479e5 100644
--- a/lychee.toml
+++ b/lychee.toml
@@ -3,7 +3,7 @@ cache = true
 # Ignore all private link (such as localhost) to avoid errors
 exclude_all_private = true
 # HTTP status code: 429 (Too Many Requests) will also be treated as a valid link if Lychee gets rate limited
-accept = [200, 429]
+accept = ["200", "429"]
 # retry
 max_retries = 6
 # Explicitly exclude some URLs