diff --git a/etc/caseDicts/general/fvOptions/porosity/porousZone b/etc/caseDicts/general/fvOptions/porosity/porousZone
index f7ab42ffed..7378f17a1b 100644
--- a/etc/caseDicts/general/fvOptions/porosity/porousZone
+++ b/etc/caseDicts/general/fvOptions/porosity/porousZone
@@ -18,12 +18,12 @@ porousZone // Change to something more descriptive
 {
     type           explicitPorositySource;
     active         true;
-    selectionMode  cellZone;
-    cellZone       <cellZoneName>; // Specify the name of the cellZone
 
     explicitPorositySourceCoeffs
     {
         type           DarcyForchheimer;
+        selectionMode  cellZone;
+        cellZone       <cellZoneName>; // Specify the name of the cellZone
 
         DarcyForchheimerCoeffs
         {