diff --git a/src/thermophysicalModels/reactionThermo/mixtures/singleComponentMixture/singleComponentMixture.C b/src/thermophysicalModels/reactionThermo/mixtures/singleComponentMixture/singleComponentMixture.C
index b8374445dc..bbd040c84d 100644
--- a/src/thermophysicalModels/reactionThermo/mixtures/singleComponentMixture/singleComponentMixture.C
+++ b/src/thermophysicalModels/reactionThermo/mixtures/singleComponentMixture/singleComponentMixture.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2017 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2017-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -35,7 +35,7 @@ Foam::singleComponentMixture<ThermoType>::singleComponentMixture
     const word& phaseName
 )
 :
-    basicSpecieMixture(thermoDict, wordList::null(), mesh, phaseName),
+    basicSpecieMixture(thermoDict, wordList(), mesh, phaseName),
     thermo_(thermoDict.subDict("mixture"))
 {}