diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
index 1f79c8850e..f0ee4a3102 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
@@ -142,6 +142,11 @@ subModels
                 CH4             0.604;
                 H2              0.099;
                 CO2             0.297;
+
+                // Temporarily add entries for remaining gas species
+                N2  0;
+                O2  0;
+                H2O 0;
             }
             liquid
             {