diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/bottomAir/fvSolution b/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/bottomAir/fvSolution
index ed5885da9a3aeebf717fead8cd15050bb82fdd23..cafe18dadaea406ddb7cdd53c713b6fd02d287a9 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/bottomAir/fvSolution
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/bottomAir/fvSolution
@@ -16,7 +16,7 @@ FoamFile
 
 solvers
 {
-    rho
+    "(rho|rhoFinal)"
     {
         solver          PCG
         preconditioner  DIC;
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/topAir/fvSolution b/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/topAir/fvSolution
index d2d44df4fc5f85c3a91d97b0f5402c4649e7102f..8c00768543a2eac1f615c9283cbfb03fa7a24608 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/topAir/fvSolution
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/snappyMultiRegionHeater/system/topAir/fvSolution
@@ -16,7 +16,7 @@ FoamFile
 
 solvers
 {
-    rho
+    "(rho|rhoFinal)"
     {
         solver          PCG
         preconditioner  DIC;