diff --git a/cpp/NonlinearOptimizer.h b/cpp/NonlinearOptimizer.h
index 3897b4346..431f5959b 100644
--- a/cpp/NonlinearOptimizer.h
+++ b/cpp/NonlinearOptimizer.h
@@ -52,9 +52,9 @@ namespace gtsam {
 			SILENT,
 			ERROR,
 			LAMBDA,
+			TRYLAMBDA,
 			CONFIG,
 			DELTA,
-			TRYLAMBDA,
 			TRYCONFIG,
 			TRYDELTA,
 			LINEAR,