diff --git a/src/TurbulenceModels/turbulenceModels/DES/SpalartAllmarasDES/SpalartAllmarasDES.C b/src/TurbulenceModels/turbulenceModels/DES/SpalartAllmarasDES/SpalartAllmarasDES.C
index 3767153d7805508a13449bc8867e8e85853a8067..867a6a781433f42868ae3da6d2d4eadf55d52e53 100644
--- a/src/TurbulenceModels/turbulenceModels/DES/SpalartAllmarasDES/SpalartAllmarasDES.C
+++ b/src/TurbulenceModels/turbulenceModels/DES/SpalartAllmarasDES/SpalartAllmarasDES.C
@@ -186,7 +186,7 @@ tmp<volScalarField> SpalartAllmarasDES<BasicTurbulenceModel>::psi
                 (
                     scalar(100),
                     (1 - Cb1_/(Cw1_*sqr(kappa_)*fwStar_)*(ft2 + (1 - ft2)*fv2))
-                   /max(SMALL, (fv1*max(1e-10, 1 - ft2)))
+                   /max(SMALL, (fv1*max(scalar(1e-10), 1 - ft2)))
                 )
             );
     }