diff --git a/cython/gtsam/utils/logging_optimizer.py b/cython/gtsam/utils/logging_optimizer.py
index b201bb8aa..34f0fe5c9 100644
--- a/cython/gtsam/utils/logging_optimizer.py
+++ b/cython/gtsam/utils/logging_optimizer.py
@@ -50,5 +50,5 @@ def gtsam_optimize(optimizer: NonlinearOptimizer,
     def check_convergence(optimizer, current_error, new_error):
         return (optimizer.iterations() >= params.getMaxIterations()) or (
             gtsam.checkConvergence(params.getRelativeErrorTol(), params.getAbsoluteErrorTol(), params.getErrorTol(),
-                                   current_error, new_error))
+                                   current_error, new_error)) or (optimizer.lambda_() > params.getlambdaUpperBound())
     optimize(optimizer, check_convergence, hook)