diff --git a/include/ceres/solver.h b/include/ceres/solver.h
index 791630d..b2fa3ae 100644
--- a/include/ceres/solver.h
+++ b/include/ceres/solver.h
@@ -104,7 +104,8 @@
 
       // Choose a default sparse linear algebra library in the order:
       //
-      //   SUITE_SPARSE > CX_SPARSE > EIGEN_SPARSE
+      //   SUITE_SPARSE > CX_SPARSE > EIGEN_SPARSE > NO_SPARSE
+      sparse_linear_algebra_library_type = NO_SPARSE;
 #if !defined(CERES_NO_SUITESPARSE)
       sparse_linear_algebra_library_type = SUITE_SPARSE;
 #else