diff --git a/src/turbulenceModels/LES/compressible/wallFunc/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C b/src/turbulenceModels/LES/compressible/wallFunc/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C
index ae40fddaf6..fb493237bf 100644
--- a/src/turbulenceModels/LES/compressible/wallFunc/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/LES/compressible/wallFunc/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C
@@ -116,7 +116,7 @@ void muSgsWallFunctionFvPatchScalarField::evaluate
 
     scalar kappa = readScalar(sgsModel.lookup("kappa"));
 
-    scalar E = readScalar(sgsModel.subDict("wallFunctionCoeffs"));
+    scalar E = readScalar(sgsModel.subDict("wallFunctionCoeffs").lookup("E"));
 
     const scalarField& ry = patch().deltaCoeffs();