diff --git a/applications/solvers/lagrangian/simpleCoalParcelFoam/createFields.H b/applications/solvers/lagrangian/simpleCoalParcelFoam/createFields.H
index ae5129fbc2db99b62a358b2f02c4a835967e02d4..983ecf25973064af9c84b24104d3a1b3b4732705 100644
--- a/applications/solvers/lagrangian/simpleCoalParcelFoam/createFields.H
+++ b/applications/solvers/lagrangian/simpleCoalParcelFoam/createFields.H
@@ -114,7 +114,7 @@ volScalarField Qdot
         IOobject::AUTO_WRITE
     ),
     mesh,
-    dimensionedScalar("Qdot", dimEnergy/dimTime, 0.0)
+    dimensionedScalar("Qdot", dimEnergy/dimVolume/dimTime, 0.0)
 );
 
 #include "createMRF.H"