diff --git a/Exec/RegTests/IsothermalSoretChannel/input.inp b/Exec/RegTests/IsothermalSoretChannel/isothermal-soret.inp
similarity index 99%
rename from Exec/RegTests/IsothermalSoretChannel/input.inp
rename to Exec/RegTests/IsothermalSoretChannel/isothermal-soret.inp
index d7360016c..6441b65c2 100644
--- a/Exec/RegTests/IsothermalSoretChannel/input.inp
+++ b/Exec/RegTests/IsothermalSoretChannel/isothermal-soret.inp
@@ -25,7 +25,7 @@ prob.P_mean = 101325.0
 prob.Vin = 10.0
 prob.Tlow = 400.0
 prob.Thigh = 800.0
-prob.phi = 0.5
+prob.phi = 1.0
 #---------------------- Transport --------------------------------
 transport.use_soret = 1
 
@@ -46,7 +46,7 @@ peleLM.do_species_balance = 1             # Compute species balance
 amr.max_step = 2000                       # Maximum number of time steps
 amr.stop_time = 4.00                      # final simulation physical time [s]
 amr.max_wall_time = 1                     # Maximum simulation run time [h]
-amr.cfl = 0.5                             # CFL number for hyperbolic system 
+amr.cfl = 0.5                             # CFL number for hyperbolic system
 amr.dt_shrink = 0.01                     # Scale back initial timestep
 amr.dt_change_max = 1.1                   # Maximum dt increase btw successive steps
 
diff --git a/Exec/RegTests/IsothermalSoretChannel/pelelmex_prob.cpp b/Exec/RegTests/IsothermalSoretChannel/pelelmex_prob.cpp
index 53c005d5c..d454a2848 100644
--- a/Exec/RegTests/IsothermalSoretChannel/pelelmex_prob.cpp
+++ b/Exec/RegTests/IsothermalSoretChannel/pelelmex_prob.cpp
@@ -10,6 +10,7 @@ PeleLM::readProbParm()
   pp.query("Vin", PeleLM::prob_parm->Vin);
   pp.query("Thigh", PeleLM::prob_parm->Thigh);
   pp.query("Tlow", PeleLM::prob_parm->Tlow);
+  pp.query("phi", PeleLM::prob_parm->phi);
 
   PeleLM::prob_parm->bathID = N2_ID;
   PeleLM::prob_parm->oxidID = O2_ID;
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index a42d13478..7e42d2258 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -236,7 +236,7 @@ if(NOT PELE_ENABLE_EB)
   endif()
   if(PELE_DIM EQUAL 2)
     add_test_r(tripleflame-${PELE_DIM}d TripleFlame)
-    add_test_rv(input IsothermalSoretChannel)
+    add_test_rv(isothermal-soret IsothermalSoretChannel)
   endif()
   if(PELE_DIM EQUAL 3)
     add_test_r(hit-${PELE_DIM}d HITDecay)