diff --git a/tutorials/compressible/sonicFoam/ras/prism/constant/thermophysicalProperties b/tutorials/compressible/sonicFoam/ras/prism/constant/thermophysicalProperties
index 8a8e41f6a32f1a3ef831f82d17f165e362a0c4bc..e2a082466118c9c0e5a74eac99e87b08eb6d668d 100644
--- a/tutorials/compressible/sonicFoam/ras/prism/constant/thermophysicalProperties
+++ b/tutorials/compressible/sonicFoam/ras/prism/constant/thermophysicalProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-thermoType      hePsiThermo<pureMixture<constTransport<specieThermo<eConstThermo<perfectGas>,sensibleInternalEnergy>>>>;
+thermoType      hePsiThermo<pureMixture<constTransport<specieThermo<hConstThermo<perfectGas>,sensibleInternalEnergy>>>>;
 
 mixture
 {