diff --git a/palace/fem/fespace.hpp b/palace/fem/fespace.hpp
index f7fbd3033..db3e4e490 100644
--- a/palace/fem/fespace.hpp
+++ b/palace/fem/fespace.hpp
@@ -300,7 +300,8 @@ class AuxiliaryFiniteElementSpaceHierarchy
   std::vector<const Operator *> GetDiscreteInterpolators() const
   {
     std::vector<const Operator *> G_(GetNumLevels());
-    for (std::size_t l = 0; l < G_.size(); l++)
+    G_[0] = nullptr;  // No discrete interpolator for coarsest level
+    for (std::size_t l = 1; l < G_.size(); l++)
     {
       G_[l] = &GetDiscreteInterpolatorAtLevel(l);
     }
diff --git a/palace/fem/libceed/basis.cpp b/palace/fem/libceed/basis.cpp
index 3623f91ec..672f3e97b 100644
--- a/palace/fem/libceed/basis.cpp
+++ b/palace/fem/libceed/basis.cpp
@@ -192,7 +192,7 @@ void InitInterpolatorBasis(const mfem::FiniteElement &trial_fe,
   if constexpr (false)
   {
     std::cout << "New interpolator basis (" << ceed << ", " << &trial_fe << ", " << &test_fe
-              << ")\n";
+              << ", " << (trial_fe.GetMapType() == test_fe.GetMapType()) << ")\n";
   }
   if constexpr (false)
   {