diff --git a/src/Core/Resource/CAudioMacro.h b/src/Core/Resource/CAudioMacro.h
index 1a9cfef2..87a9a081 100644
--- a/src/Core/Resource/CAudioMacro.h
+++ b/src/Core/Resource/CAudioMacro.h
@@ -16,7 +16,7 @@ public:
         : CResource(pEntry)
     {}
 
-    virtual CDependencyTree* BuildDependencyTree() const
+    CDependencyTree* BuildDependencyTree() const override
     {
         CDependencyTree *pTree = new CDependencyTree();