diff --git a/crates/acp/src/thread_view.rs b/crates/acp/src/thread_view.rs
index b8b7b081aea7c6c0fec0d4ce6e64e1b68dc21a80..ba7606892ee8a044dbebe17328d228db25a236ab 100644
--- a/crates/acp/src/thread_view.rs
+++ b/crates/acp/src/thread_view.rs
@@ -350,7 +350,7 @@ impl AcpThreadView {
 
     fn authenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let agent = self.agent.clone();
-
+        self.last_error.take();
         self.auth_task = Some(cx.spawn_in(window, async move |this, cx| {
             let result = agent.authenticate().await;