diff --git a/src/libs/vpatterndb/vcontainer.cpp b/src/libs/vpatterndb/vcontainer.cpp
index 11b6a2ef7..cfdff0d03 100644
--- a/src/libs/vpatterndb/vcontainer.cpp
+++ b/src/libs/vpatterndb/vcontainer.cpp
@@ -242,7 +242,7 @@ quint32 VContainer::GetPieceForPiecePath(quint32 id) const
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VContainer::RegisterUniqueName(VGObject *obj)
+void VContainer::RegisterUniqueName(VGObject *obj) const
 {
     SCASSERT(obj != nullptr)
     QSharedPointer<VGObject> pointer(obj);
@@ -250,7 +250,7 @@ void VContainer::RegisterUniqueName(VGObject *obj)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VContainer::RegisterUniqueName(const QSharedPointer<VGObject> &obj)
+void VContainer::RegisterUniqueName(const QSharedPointer<VGObject> &obj) const
 {
     SCASSERT(not obj.isNull())
 
diff --git a/src/libs/vpatterndb/vcontainer.h b/src/libs/vpatterndb/vcontainer.h
index 13adf3942..304240755 100644
--- a/src/libs/vpatterndb/vcontainer.h
+++ b/src/libs/vpatterndb/vcontainer.h
@@ -151,8 +151,8 @@ public:
     void               UpdateId(quint32 newId) const;
     static void        UpdateId(quint32 newId, const QString &nspace);
 
-    void               RegisterUniqueName(VGObject *obj);
-    void               RegisterUniqueName(const QSharedPointer<VGObject> &obj);
+    void               RegisterUniqueName(VGObject *obj) const;
+    void               RegisterUniqueName(const QSharedPointer<VGObject> &obj) const;
 
     quint32            AddGObject(VGObject *obj);
     quint32            AddGObject(const QSharedPointer<VGObject> &obj);