diff --git a/Crystal_Growth_Phase_Field_Model/output_results.cpp b/Crystal_Growth_Phase_Field_Model/output_results.cpp
index 78a3ea20..1975d72c 100644
--- a/Crystal_Growth_Phase_Field_Model/output_results.cpp
+++ b/Crystal_Growth_Phase_Field_Model/output_results.cpp
@@ -28,7 +28,7 @@ void PhaseFieldSolver::output_results(const unsigned int timestep_number) const
                 "solution-" + Utilities::int_to_string(timestep_number, 3) + ".vtk";
         DataOutBase::VtkFlags vtk_flags;
         vtk_flags.compression_level =
-                DataOutBase::VtkFlags::ZlibCompressionLevel::best_speed;
+                DataOutBase::CompressionLevel::best_speed;
         data_out.set_flags(vtk_flags);
         std::ofstream output(filename);
 
diff --git a/cdr/common/include/deal.II-cdr/write_pvtu_output.templates.h b/cdr/common/include/deal.II-cdr/write_pvtu_output.templates.h
index d80a00c6..e8ff8b0c 100644
--- a/cdr/common/include/deal.II-cdr/write_pvtu_output.templates.h
+++ b/cdr/common/include/deal.II-cdr/write_pvtu_output.templates.h
@@ -55,8 +55,7 @@ namespace CDR
     flags.time = current_time;
     // While the default flag is for the best compression level, using
     // <code>best_speed</code> makes this function much faster.
-    flags.compression_level =
-      DataOutBase::VtkFlags::ZlibCompressionLevel::best_speed;
+    flags.compression_level = DataOutBase::CompressionLevel::best_speed;
     data_out.set_flags(flags);
 
     unsigned int subdomain_n;