diff --git a/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.C b/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.C
index e62de890f917fc7ec391c5bb0da8d65e786009a5..4e39627742b28b4f44a2142029650b8e4fa7ecaa 100644
--- a/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.C
+++ b/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.C
@@ -69,7 +69,7 @@ dimensionedScalar homogeneousDynSmagorinsky::cD
         tmp<volSymmTensorField> LL =
             dev(filter_(sqr(U())) - (sqr(filter_(U()))));
 
-        return average(LL && MM)/MMMM;
+        return 0.5*average(LL && MM)/MMMM;
     }
     else
     {
diff --git a/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.H b/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.H
index 2a25f48fe05f4bff04e94426e491f12b6510bce2..d25f0e19f1e6e69993505e68a7767bd961d2fe92 100644
--- a/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.H
+++ b/src/turbulenceModels/incompressible/LES/homogeneousDynSmagorinsky/homogeneousDynSmagorinsky.H
@@ -48,7 +48,7 @@ Description
 
     and
 
-        cD=<L.M>/<M.M>,
+        cD=1/2*<L.M>/<M.M>,
 
     where