diff --git a/tutorials/compressible/rhoPorousSimpleFoam/angledDuctImplicit/constant/sourcesProperties b/tutorials/compressible/rhoPorousSimpleFoam/angledDuctImplicit/constant/sourcesProperties
index ddd2bf9c9f..1a3adf4c90 100644
--- a/tutorials/compressible/rhoPorousSimpleFoam/angledDuctImplicit/constant/sourcesProperties
+++ b/tutorials/compressible/rhoPorousSimpleFoam/angledDuctImplicit/constant/sourcesProperties
@@ -17,14 +17,14 @@ FoamFile
 
 source1
 {
-    type            fixedTemperatureSource;
+    type            fixedTemperatureConstraint;
     active          true;
     timeStart       0;
     duration        1000000;
     selectionMode   cellZone;
     cellZone        porosity;
 
-    fixedTemperatureSourceCoeffs
+    fixedTemperatureConstraintCoeffs
     {
         mode            uniform;
         temperature     350;
diff --git a/tutorials/compressible/rhoSimpleFoam/angledDuctExplicitFixedCoeff/constant/sourcesProperties b/tutorials/compressible/rhoSimpleFoam/angledDuctExplicitFixedCoeff/constant/sourcesProperties
index d4d41da47f..a73a9bd2b7 100644
--- a/tutorials/compressible/rhoSimpleFoam/angledDuctExplicitFixedCoeff/constant/sourcesProperties
+++ b/tutorials/compressible/rhoSimpleFoam/angledDuctExplicitFixedCoeff/constant/sourcesProperties
@@ -17,14 +17,14 @@ FoamFile
 
 fixedTemperaure1
 {
-    type            fixedTemperatureSource;
+    type            fixedTemperatureConstraint;
     active          true;
     timeStart       0;
     duration        1000000;
     selectionMode   cellZone;
     cellZone        porosity;
 
-    fixedTemperatureSourceCoeffs
+    fixedTemperatureConstraintCoeffs
     {
         mode            uniform;
         temperature     350;
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/sourcesProperties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/sourcesProperties
index d351c7f360..f577883909 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/sourcesProperties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/sourcesProperties
@@ -17,14 +17,14 @@ FoamFile
 
 source1
 {
-    type            fixedTemperatureSource;
+    type            fixedTemperatureConstraint;
     active          true;
     timeStart       0.1;
     duration        0.4;
     selectionMode   cellSet;
     cellSet         ignitionCells;
 
-    fixedTemperatureSourceCoeffs
+    fixedTemperatureConstraintCoeffs
     {
         mode            uniform;
         temperature     2000;