diff --git a/applications/osgversion/osgversion.cpp b/applications/osgversion/osgversion.cpp
index 17727662a..0b933b24a 100644
--- a/applications/osgversion/osgversion.cpp
+++ b/applications/osgversion/osgversion.cpp
@@ -179,6 +179,7 @@ bool validName(const std::string& first)
     if (first=="Mr") return false;
     if (first=="Osfields") return false;
     if (first=="Optimizer") return false;
+    if (first=="RenderStage") return false;
     return true;
 }