diff --git a/include/ceres/solver.h b/include/ceres/solver.h
index 16c7387..31d5e8d 100644
--- a/include/ceres/solver.h
+++ b/include/ceres/solver.h
@@ -511,6 +511,7 @@
     OrderingType ordering_type;
 
     TrustRegionStrategyType trust_region_strategy_type;
+    DoglegType dogleg_type;
     SparseLinearAlgebraLibraryType sparse_linear_algebra_library;
   };