diff --git a/internal/ai/oauth.go b/internal/ai/oauth.go
index 75eb7be..0d4f930 100644
--- a/internal/ai/oauth.go
+++ b/internal/ai/oauth.go
@@ -70,12 +70,12 @@ func (o *OAuthManager) StartLogin(openURL func(string) error) (<-chan error, err
 	}
 
 	// Start a local HTTP server on a random port for the callback
-	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	listener, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
 		return nil, fmt.Errorf("listen for callback: %w", err)
 	}
 	port := listener.Addr().(*net.TCPAddr).Port
-	redirectURI := fmt.Sprintf("http://127.0.0.1:%d/callback", port)
+	redirectURI := fmt.Sprintf("http://localhost:%d/callback", port)
 
 	done := make(chan error, 1)