diff --git a/Sofa/framework/Core/src/sofa/core/objectmodel/BaseClass.h b/Sofa/framework/Core/src/sofa/core/objectmodel/BaseClass.h
index 453e03e3044..07cf4a89232 100644
--- a/Sofa/framework/Core/src/sofa/core/objectmodel/BaseClass.h
+++ b/Sofa/framework/Core/src/sofa/core/objectmodel/BaseClass.h
@@ -234,6 +234,7 @@ class SOFA_CORE_API DeprecatedBaseClass : public BaseClass
 
 // Do not use this macro directly, use SOFA_ABSTRACT_CLASS instead
 #define SOFA_ABSTRACT_CLASS_DECL                                        \
+    using BaseObject SOFA_ATTRIBUTE_DEPRECATED("v26.06", "v29.06", "BaseObject has been renamed to BaseComponent") = sofa::core::objectmodel::BaseComponent; /*this alias allows the transition from BaseObject to BaseComponent.*/ \
     typedef MyType* Ptr;                                                \
     friend class sofa::core::objectmodel::BaseClassNameHelper;          \
     static std::string GetDefaultTemplateName(){ return sofa::core::objectmodel::BaseClassNameHelper::DefaultTypeTemplateName<MyType>::Get(); } \
@@ -247,8 +248,7 @@ class SOFA_CORE_API DeprecatedBaseClass : public BaseClass
 {                                                                   \
     return ::sofa::core::objectmodel::BaseLink::InitLink<MyType>    \
     (this, n, help);                                             \
-}\
-    using BaseObject SOFA_ATTRIBUTE_DEPRECATED("v26.06", "v29.06", "BaseObject has been renamed to BaseComponent") = sofa::core::objectmodel::BaseComponent; // this alias allows the transition from BaseObject to BaseComponent.
+}
 
 // Do not use this macro directly, use SOFA_CLASS instead
 #define SOFA_CLASS_DECL                                        \