diff --git a/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.cxx b/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.cxx
index 5c039629e1..ecac6f3d0c 100644
--- a/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.cxx
+++ b/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.cxx
@@ -22,6 +22,8 @@
 #include <TFunction_Logbook.hxx>
 #include <Standard_GUID.hxx>
 
+IMPLEMENT_STANDARD_RTTIEXT(TFunction_Logbook, TDF_Attribute)
+
 //=======================================================================
 // function : GetID
 // purpose  : Static method to get an ID
diff --git a/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.hxx b/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.hxx
index 5e7e13b365..10dd439d05 100644
--- a/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.hxx
+++ b/src/ApplicationFramework/TKLCAF/TFunction/TFunction_Logbook.hxx
@@ -116,6 +116,8 @@ public:
   //! Prints th data of the attributes (touched, impacted and valid labels).
   Standard_EXPORT virtual Standard_OStream& Dump(Standard_OStream& anOS) const Standard_OVERRIDE;
 
+  DEFINE_STANDARD_RTTIEXT(TFunction_Logbook, TDF_Attribute)
+
 private:
   TDF_LabelMap     myTouched;
   TDF_LabelMap     myImpacted;