diff --git a/src/regionModels/pyrolysisModels/pyrolysisModel/pyrolysisModelCollection.C b/src/regionModels/pyrolysisModels/pyrolysisModel/pyrolysisModelCollection.C
index 4ec1871..a00addd 100644
--- a/src/regionModels/pyrolysisModels/pyrolysisModel/pyrolysisModelCollection.C
+++ b/src/regionModels/pyrolysisModels/pyrolysisModel/pyrolysisModelCollection.C
@@ -28,15 +28,15 @@ License
 
 namespace Foam
 {
-namespace regionModels
-{
-namespace pyrolysisModels
-{
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-defineTemplateTypeNameAndDebug(IOPtrList<pyrolysisModel>, 0);
+defineTemplateTypeNameAndDebug(IOPtrList<regionModels::pyrolysisModels::pyrolysisModel>, 0);
 
+namespace regionModels
+{
+namespace pyrolysisModels
+{
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //