diff --git a/applications/legacy/combustion/PDRFoam/PDRModels/turbulence/PDRkEpsilon/PDRkEpsilon.C b/applications/legacy/combustion/PDRFoam/PDRModels/turbulence/PDRkEpsilon/PDRkEpsilon.C
index 10629595a4..a7cfcbedae 100644
--- a/applications/legacy/combustion/PDRFoam/PDRModels/turbulence/PDRkEpsilon/PDRkEpsilon.C
+++ b/applications/legacy/combustion/PDRFoam/PDRModels/turbulence/PDRkEpsilon/PDRkEpsilon.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2024 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -46,16 +46,16 @@ addToRunTimeSelectionTable(RASModel, PDRkEpsilon, dictionary);
 tmp<volScalarField> PDRkEpsilon::boundEpsilon()
 {
     tmp<volScalarField> tCmuk2(Cmu_*sqr(k_));
-    epsilon_ = max(epsilon_, tCmuk2()/(this->nutMaxCoeff_*this->nu()));
+    epsilon_ = max(epsilon_, tCmuk2()/(nutMaxCoeff_*nu()));
     return tCmuk2;
 }
 
 
 void PDRkEpsilon::correctNut()
 {
-    this->nut_ = boundEpsilon()/epsilon_;
-    this->nut_.correctBoundaryConditions();
-    fvConstraints::New(this->mesh_).constrain(this->nut_);
+    nut_ = Cmu_*sqr(k_)/epsilon_;
+    nut_.correctBoundaryConditions();
+    fvConstraints::New(mesh_).constrain(nut_);
 }
 
 
diff --git a/tutorials/legacy/combustion/PDRFoam/flamePropagationWithObstacles/system/controlDict b/tutorials/legacy/combustion/PDRFoam/flamePropagationWithObstacles/system/controlDict
index 01c31fbd6d..aa94caf529 100644
--- a/tutorials/legacy/combustion/PDRFoam/flamePropagationWithObstacles/system/controlDict
+++ b/tutorials/legacy/combustion/PDRFoam/flamePropagationWithObstacles/system/controlDict
@@ -16,7 +16,7 @@ FoamFile
 
 application     PDRFoam;
 
-startFrom       latestTime;
+startFrom       startTime;
 
 startTime       0;
 
@@ -32,7 +32,7 @@ writeInterval   0.01;
 
 purgeWrite      0;
 
-writeFormat     ascii;
+writeFormat     binary;
 
 writePrecision  8;