diff --git a/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_smooth.cpp b/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_smooth.cpp
index 6637593a9c..fa8e5a51b3 100644
--- a/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_smooth.cpp
+++ b/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_smooth.cpp
@@ -89,9 +89,9 @@ void IsotropicRemeshing::configure_smooth()
             position_for_inversion.value().mesh(),
             position_for_inversion.value().as<double>()));
     }
-    // if (m_envelope_invariants) {
-    //     op_smooth->add_invariant(m_envelope_invariants);
-    // }
+    if (m_envelope_invariants) {
+        op_smooth->add_invariant(m_envelope_invariants);
+    }
 
     if (update_position) proj_op->add_transfer_strategy(update_position);
 }
diff --git a/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_swap.cpp b/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_swap.cpp
index 304d8a9ae5..e8fe7b1207 100644
--- a/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_swap.cpp
+++ b/components/isotropic_remeshing/src/wmtk/components/isotropic_remeshing/IsotropicRemeshing_swap.cpp
@@ -67,9 +67,9 @@ void IsotropicRemeshing::configure_swap()
     m_swap->collapse().add_invariant(internal::collapse_core_invariants(mesh, m_options));
 
 
-    // if (m_envelope_invariants) {
-    //     m_swap->add_invariant(m_envelope_invariants);
-    // }
+     if (m_envelope_invariants) {
+         m_swap->add_invariant(m_envelope_invariants);
+     }
 
 
     for (const auto& p : m_options.all_positions()) {