diff --git a/src/evolve_pressure.cxx b/src/evolve_pressure.cxx
index 38f1e9f4..265cf20a 100644
--- a/src/evolve_pressure.cxx
+++ b/src/evolve_pressure.cxx
@@ -432,7 +432,7 @@ void EvolvePressure::outputVars(Options& state) {
       set_with_attrs(state[std::string("kappa_par_") + name], kappa_par,
                      {{"time_dimension", "t"},
                       {"units", "W / m / eV"},
-                      {"conversion", Pnorm * Omega_ci * SQ(rho_s0)},
+                      {"conversion", (Pnorm * Omega_ci * SQ(rho_s0) )/ Tnorm},
                       {"long_name", name + " heat conduction coefficient"},
                       {"species", name},
                       {"source", "evolve_pressure"}});