diff --git a/constant/combustionProperties b/constant/combustionProperties
index ffd1737..a98ef7d 100644
--- a/constant/combustionProperties
+++ b/constant/combustionProperties
@@ -17,7 +17,7 @@ FoamFile
 
 combustionModel  laminar<psiChemistryCombustion>;
 
-active  true; false; // 
+active  true; // false; // 
 
 laminarCoeffs
 {