diff --git a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/system/panelRegion/fvSolution b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/system/panelRegion/fvSolution
index 688f40489e..e1d5b8db0b 100644
--- a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/system/panelRegion/fvSolution
+++ b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/system/panelRegion/fvSolution
@@ -32,7 +32,7 @@ solvers
         relTol          0;
     }
 
-    "rho|rhot"
+    rhoThermo
     {
         solver          PCG;
         preconditioner  DIC;