diff --git a/internal/ceres/dense_qr_solver.h b/internal/ceres/dense_qr_solver.h
index 990c8d4..2e0b283 100644
--- a/internal/ceres/dense_qr_solver.h
+++ b/internal/ceres/dense_qr_solver.h
@@ -90,7 +90,7 @@
       double* x);
 
   const LinearSolver::Options options_;
-  DISALLOW_COPY_AND_ASSIGN(DenseQRSolver);
+  CERES_DISALLOW_COPY_AND_ASSIGN(DenseQRSolver);
 };
 
 }  // namespace internal