diff --git a/src/turbulenceModels/compressible/RAS/kOmegaSST/kOmegaSST.C b/src/turbulenceModels/compressible/RAS/kOmegaSST/kOmegaSST.C
index 51120e89d7b65d030732f7bb27a6828919d2ed27..e4032d854c6ad8587c2e05537189076186ea29b2 100644
--- a/src/turbulenceModels/compressible/RAS/kOmegaSST/kOmegaSST.C
+++ b/src/turbulenceModels/compressible/RAS/kOmegaSST/kOmegaSST.C
@@ -268,7 +268,7 @@ kOmegaSST::kOmegaSST
       / max
         (
             a1_*omega_,
-            F2()*sqrt(2.0*magSqr(symm(fvc::grad(U_))))
+            F2()*sqrt(2.0)*mag(symm(fvc::grad(U_)))
         )
     );
     mut_.correctBoundaryConditions();
@@ -365,7 +365,7 @@ void kOmegaSST::correct()
         // Re-calculate viscosity
         mut_ =
             a1_*rho_*k_
-           /max(a1_*omega_, F2()*sqrt(2.0*magSqr(symm(fvc::grad(U_)))));
+           /max(a1_*omega_, F2()*sqrt(2.0)*mag(symm(fvc::grad(U_))));
         mut_.correctBoundaryConditions();
 
         // Re-calculate thermal diffusivity