diff --git a/include/ceres/solver.h b/include/ceres/solver.h
index 43b2e1ab6..68438a10b 100644
--- a/include/ceres/solver.h
+++ b/include/ceres/solver.h
@@ -1004,7 +1004,7 @@ class CERES_EXPORT Solver {
 
     bool mixed_precision_solves_used = false;
 
-    LinearSolverOrderingType linear_solver_ordering_type;
+    LinearSolverOrderingType linear_solver_ordering_type = AMD;
 
     // Size of the elimination groups given by the user as hints to
     // the linear solver.