diff --git a/lib/crates/fabro-llm/src/error.rs b/lib/crates/fabro-llm/src/error.rs
index 2f29b7b83..e1a54dd65 100644
--- a/lib/crates/fabro-llm/src/error.rs
+++ b/lib/crates/fabro-llm/src/error.rs
@@ -232,7 +232,7 @@ pub fn error_from_status_code(
         }
         413 => ProviderErrorKind::ContextLength,
         429 => ProviderErrorKind::RateLimit,
-        500..=504 | 529 => ProviderErrorKind::Server,
+        500..=599 => ProviderErrorKind::Server,
         // For ambiguous status codes (400, 422, etc.), use message-based classification
         _ => {
             let lower_msg = detail.message.to_lowercase();