diff --git a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/chemistryProperties b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/chemistryProperties
index deb5491013c05aed54633d71e45a00b846466bd8..ea16d954f1b6ac9f838e400fb3c901e68d253a6e 100644
--- a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/chemistryProperties
+++ b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/chemistryProperties
@@ -21,7 +21,7 @@ chemistryType
     chemistryThermo   psi;
 }
 
-chemistry       off;
+chemistry       on;
 
 initialChemicalTimeStep 1e-07;
 
diff --git a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties
index 8f326f366756a02663e3cfeaed1ea4a0f4e5ce2d..f7b1cae9b7e231c48821bf9f85a80971d1bc85a9 100644
--- a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties
+++ b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties
@@ -15,9 +15,9 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustion>;
+combustionModel PaSR<psiChemistryCombustion>;
 
-active  false;
+active          yes;
 
 PaSRCoeffs
 {
diff --git a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/thermophysicalProperties b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/thermophysicalProperties
index b0ac29548bc09dd4224d2bb7dadbb7c0552f65e2..ebae047d0b2c937d4449fb44388eb763070cec25 100644
--- a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/thermophysicalProperties
+++ b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/thermophysicalProperties
@@ -28,7 +28,9 @@ thermoType
 
 CHEMKINFile     "$FOAM_CASE/chemkin/chem.inp";
 
-CHEMKINThermoFile "~OpenFOAM/thermoData/therm.dat";
+CHEMKINThermoFile "$FOAM_CASE/chemkin/therm.dat";
+
+newFormat       yes;
 
 inertSpecie     N2;
 
diff --git a/tutorials/lagrangian/sprayFoam/aachenBomb/system/controlDict b/tutorials/lagrangian/sprayFoam/aachenBomb/system/controlDict
index 89dc909c58b7dc17c22478a8b6de6c2b35a0d03c..7c512bc41b8db80e2d80b87af07e7c6fa7150838 100644
--- a/tutorials/lagrangian/sprayFoam/aachenBomb/system/controlDict
+++ b/tutorials/lagrangian/sprayFoam/aachenBomb/system/controlDict
@@ -8,7 +8,7 @@
 FoamFile
 {
     version     2.0;
-    format      binary;
+    format      ascii;
     class       dictionary;
     location    "system";
     object      controlDict;