diff --git a/src/OpenFOAM/db/IOobject/IOobjectTemplates.C b/src/OpenFOAM/db/IOobject/IOobjectTemplates.C
index b1e39564a5..1ef06e3415 100644
--- a/src/OpenFOAM/db/IOobject/IOobjectTemplates.C
+++ b/src/OpenFOAM/db/IOobject/IOobjectTemplates.C
@@ -69,9 +69,12 @@ bool Foam::IOobject::typeHeaderOk(const bool checkType)
             {
                 if (checkType && headerClassName_ != Type::typeName)
                 {
-                    IOWarningInFunction(*isPtr)
-                        << "unexpected class name " << headerClassName_
-                        << " expected " << Type::typeName << endl;
+                    if (debug)
+                    {
+                        IOWarningInFunction(*isPtr)
+                            << "unexpected class name " << headerClassName_
+                            << " expected " << Type::typeName << endl;
+                    }
 
                     ok = false;
                 }
diff --git a/src/functionObjects/field/readFields/readFieldsTemplates.C b/src/functionObjects/field/readFields/readFieldsTemplates.C
index fee32c5627..07d73044c7 100644
--- a/src/functionObjects/field/readFields/readFieldsTemplates.C
+++ b/src/functionObjects/field/readFields/readFieldsTemplates.C
@@ -60,7 +60,7 @@ bool Foam::functionObjects::readFields::loadField(const word& fieldName)
             IOobject::NO_WRITE
         );
 
-        if (fieldHeader.typeHeaderOk<VolFieldType>(false))
+        if (fieldHeader.typeHeaderOk<VolFieldType>(true))
         {
             // Store field on mesh database
             Log << "    Reading " << fieldName << endl;
@@ -68,7 +68,7 @@ bool Foam::functionObjects::readFields::loadField(const word& fieldName)
             mesh_.objectRegistry::store(vfPtr);
             return true;
         }
-        else if (fieldHeader.typeHeaderOk<SurfaceFieldType>(false))
+        else if (fieldHeader.typeHeaderOk<SurfaceFieldType>(true))
         {
             // Store field on mesh database
             Log << "    Reading " << fieldName << endl;