diff --git a/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/mixtures/multiComponentSolidMixture/multiComponentSolidMixture.C b/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/mixtures/multiComponentSolidMixture/multiComponentSolidMixture.C
index 52ad0723e7..79304dbdbb 100644
--- a/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/mixtures/multiComponentSolidMixture/multiComponentSolidMixture.C
+++ b/src/thermophysicalModels/basicSolidThermo/solidMixtureThermo/mixtures/multiComponentSolidMixture/multiComponentSolidMixture.C
@@ -212,7 +212,7 @@ Foam::scalar Foam::multiComponentSolidMixture<ThermoSolidType>::emissivity
     scalar tmp = 0.0;
     forAll(solidData_, i)
     {
-        tmp += solidData_[i].emissivity(T)*Y_[i][celli];
+        tmp += solidData_[i].emissivity(T)*X(i, celli, T);
     }
     return tmp;
 }
diff --git a/src/thermophysicalModels/solidChemistryModel/ODESolidChemistryModel/ODESolidChemistryModel.C b/src/thermophysicalModels/solidChemistryModel/ODESolidChemistryModel/ODESolidChemistryModel.C
index 6099c04efe..1c5cc36d09 100644
--- a/src/thermophysicalModels/solidChemistryModel/ODESolidChemistryModel/ODESolidChemistryModel.C
+++ b/src/thermophysicalModels/solidChemistryModel/ODESolidChemistryModel/ODESolidChemistryModel.C
@@ -78,7 +78,7 @@ ODESolidChemistryModel
 
         IOobject header
         (
-            Ys_[fieldI].name() + "_0",
+            Ys_[fieldI].name() + "0",
             mesh.time().timeName(),
             mesh,
             IOobject::NO_READ
@@ -94,7 +94,7 @@ ODESolidChemistryModel
                 (
                     IOobject
                     (
-                        Ys_[fieldI].name() + "_0",
+                        Ys_[fieldI].name() + "0",
                         mesh.time().timeName(),
                         mesh,
                         IOobject::MUST_READ,
@@ -126,7 +126,7 @@ ODESolidChemistryModel
                 (
                     IOobject
                     (
-                        Ys_[fieldI].name() + "_0",
+                        Ys_[fieldI].name() + "0",
                         mesh.time().timeName(),
                         mesh,
                         IOobject::NO_READ,