diff --git a/internal/ceres/triplet_sparse_matrix_test.cc b/internal/ceres/triplet_sparse_matrix_test.cc
index 4c94658..6bdd2bd 100644
--- a/internal/ceres/triplet_sparse_matrix_test.cc
+++ b/internal/ceres/triplet_sparse_matrix_test.cc
@@ -318,7 +318,7 @@
   }
 }
 
-#ifndef CERES_DONT_HAVE_PROTOCOL_BUFFERS
+#ifndef CERES_NO_PROTOCOL_BUFFERS
 TEST(TripletSparseMatrix, Serialization) {
   TripletSparseMatrix m(2, 5, 4);