diff --git a/rogueviz/rogueviz.h b/rogueviz/rogueviz.h
index 7186776f..18c2704c 100644
--- a/rogueviz/rogueviz.h
+++ b/rogueviz/rogueviz.h
@@ -126,5 +126,7 @@ namespace rogueviz {
 
   void close();
   extern bool showlabels;
+
+  void createViz(int id, cell *c, transmatrix at);
   }