diff --git a/CHANGELOG.md b/CHANGELOG.md
index c40fb9696e..60d9361719 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - [[PR#336]](https://github.com/lanl/singularity-eos/pull/336) Included code and documentation for a full, temperature consistent, Mie-Gruneisen EOS based on a pressure power law expansion in eta = 1-V/V0. PowerMG.
 
 ### Fixed (Repair bugs, etc)
+- [[PR342]](https://github.com/lanl/singularity-eos/pull/342) Fix missing using statement in stellar collapse root finding routines
 - [[PR341]](https://github.com/lanl/singularity-eos/pull/341) Short-circuit HDF5 machinery when cray-wrappers used in-tree
 - [[PR340]](https://github.com/lanl/singularity-eos/pull/335) Fix in-tree builds with plugin infrastructure
 - [[PR335]](https://github.com/lanl/singularity-eos/pull/335) Fix missing hermite.hpp in CMake install required for Helmholtz EOS
diff --git a/singularity-eos/eos/eos_stellar_collapse.hpp b/singularity-eos/eos/eos_stellar_collapse.hpp
index 9aeabf79b8..0ff5d18830 100644
--- a/singularity-eos/eos/eos_stellar_collapse.hpp
+++ b/singularity-eos/eos/eos_stellar_collapse.hpp
@@ -1,5 +1,5 @@
 //------------------------------------------------------------------------------
-// © 2021-2023. Triad National Security, LLC. All rights reserved.  This
+// © 2021-2024. Triad National Security, LLC. All rights reserved.  This
 // program was produced under U.S. Government contract 89233218CNA000001
 // for Los Alamos National Laboratory (LANL), which is operated by Triad
 // National Security, LLC for the U.S.  Department of Energy/National
@@ -352,6 +352,7 @@ namespace callable_interp {
 
 class LogT {
  public:
+  using DataBox = Spiner::DataBox<Real>;
   PORTABLE_INLINE_FUNCTION
   LogT(const DataBox &field, const Real Ye, const Real lRho)
       : field_(field), Ye_(Ye), lRho_(lRho) {}