diff --git a/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2D/constant/physicalProperties b/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2D/constant/physicalProperties
index d550c489ce..b7dde9341e 100644
--- a/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2D/constant/physicalProperties
+++ b/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2D/constant/physicalProperties
@@ -17,7 +17,7 @@ FoamFile
 thermoType
 {
     type            hePsiThermo;
-    mixture         multiComponentMixture;
+    mixture         coefficientWilkeMultiComponentMixture;
     transport       sutherland;
     thermo          janaf;
     energy          sensibleEnthalpy;
diff --git a/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS/constant/physicalProperties b/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS/constant/physicalProperties
index d550c489ce..b7dde9341e 100644
--- a/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS/constant/physicalProperties
+++ b/tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS/constant/physicalProperties
@@ -17,7 +17,7 @@ FoamFile
 thermoType
 {
     type            hePsiThermo;
-    mixture         multiComponentMixture;
+    mixture         coefficientWilkeMultiComponentMixture;
     transport       sutherland;
     thermo          janaf;
     energy          sensibleEnthalpy;