diff --git a/src/thermophysicalModels/radiation/radiationModel/fvDOM/absorptionCoeffs/absorptionCoeffs.C b/src/thermophysicalModels/radiation/radiationModel/fvDOM/absorptionCoeffs/absorptionCoeffs.C
index eeec89cef8..041d0f7b00 100644
--- a/src/thermophysicalModels/radiation/radiationModel/fvDOM/absorptionCoeffs/absorptionCoeffs.C
+++ b/src/thermophysicalModels/radiation/radiationModel/fvDOM/absorptionCoeffs/absorptionCoeffs.C
@@ -99,7 +99,7 @@ void Foam::radiation::absorptionCoeffs::initialise(const dictionary& dict)
 {
     dict.lookup("Tcommon") >> Tcommon_;
     dict.lookup("Tlow") >> Tlow_;
-    dict.lookup("Tlow") >> Thigh_;
+    dict.lookup("Thigh") >> Thigh_;
     dict.lookup("invTemp") >> invTemp_;
 
     dict.lookup("loTcoeffs") >> lowACoeffs_;