diff --git a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/constant/transportProperties b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/constant/transportProperties
index ce09e5210..bed4d628d 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/constant/transportProperties
+++ b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/constant/transportProperties
@@ -27,9 +27,9 @@ beta            [0 0 0 -1 0 0 0] 3e-03;
 TRef            [0 0 0 1 0 0 0] 300;
 
 // Laminar Prandtl number
-Pr              [0 0 0 0 0 0 0] 0.9;
+Pr              [0 0 0 0 0 0 0] 0.7;
 
 // Turbulent Prandtl number
-Prt             [0 0 0 0 0 0 0] 0.7;
+Prt             [0 0 0 0 0 0 0] 0.85;
 
 // ************************************************************************* //
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/transportProperties b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/transportProperties
index ce09e5210..bed4d628d 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/transportProperties
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/transportProperties
@@ -27,9 +27,9 @@ beta            [0 0 0 -1 0 0 0] 3e-03;
 TRef            [0 0 0 1 0 0 0] 300;
 
 // Laminar Prandtl number
-Pr              [0 0 0 0 0 0 0] 0.9;
+Pr              [0 0 0 0 0 0 0] 0.7;
 
 // Turbulent Prandtl number
-Prt             [0 0 0 0 0 0 0] 0.7;
+Prt             [0 0 0 0 0 0 0] 0.85;
 
 // ************************************************************************* //
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/transportProperties b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/transportProperties
index ce09e5210..bed4d628d 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/transportProperties
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/transportProperties
@@ -27,9 +27,9 @@ beta            [0 0 0 -1 0 0 0] 3e-03;
 TRef            [0 0 0 1 0 0 0] 300;
 
 // Laminar Prandtl number
-Pr              [0 0 0 0 0 0 0] 0.9;
+Pr              [0 0 0 0 0 0 0] 0.7;
 
 // Turbulent Prandtl number
-Prt             [0 0 0 0 0 0 0] 0.7;
+Prt             [0 0 0 0 0 0 0] 0.85;
 
 // ************************************************************************* //