diff --git a/renderd7.cpp b/renderd7.cpp
index 40b36c3..bc3d868 100644
--- a/renderd7.cpp
+++ b/renderd7.cpp
@@ -871,7 +871,7 @@ void RenderD7::FrameEnd()
 	C3D_FrameEnd(0);
 }
 
-void AddOvl(Ovl overlay)
+void RenderD7::AddOvl(RenderD7::Ovl overlay)
 {
 	overlays.push_back(overlay);
 }
diff --git a/renderd7.hpp b/renderd7.hpp
index 0e42293..47dff60 100644
--- a/renderd7.hpp
+++ b/renderd7.hpp
@@ -139,7 +139,7 @@ namespace RenderD7
         virtual ~Ovl(){}
         virtual void Draw() const = 0;
     };
-    void AddOvl(Ovl overlay);
+    void AddOvl(RenderD7::Ovl overlay);
     namespace Color
     {
         struct rgba