diff --git a/otk/rendercolor.hh b/otk/rendercolor.hh
index da022a10..1f24b3c9 100644
--- a/otk/rendercolor.hh
+++ b/otk/rendercolor.hh
@@ -41,6 +41,7 @@ private:
   mutable GC _gc;
 
   mutable bool _allocated;
+  mutable bool _created;
 
   void create() const;