diff --git a/rogueviz/nilrider/level.cpp b/rogueviz/nilrider/level.cpp
index b0b401b9..aacd07cc 100644
--- a/rogueviz/nilrider/level.cpp
+++ b/rogueviz/nilrider/level.cpp
@@ -631,10 +631,10 @@ void load_level(const string& fname) {
         };
       }
     else if(cmd == "LAYER") {
-      auto n = new level(lev);
-      n->name = param;
-      lev.sublevels.push_back(n);
-      n->map_tiles = {};
+      csub = new level(lev);
+      csub->name = param;
+      lev.sublevels.push_back(csub);
+      csub->map_tiles = {};
       }
     }
   if(lev.startx < 0 || lev.starty < 0 || lev.starty >= isize(lev.map_tiles) || lev.startx >= isize(lev.map_tiles[0]))
diff --git a/rogueviz/nilrider/sample.nrl b/rogueviz/nilrider/sample.nrl
index bdece705..31112f53 100644
--- a/rogueviz/nilrider/sample.nrl
+++ b/rogueviz/nilrider/sample.nrl
@@ -60,3 +60,7 @@ FUNCTION exp(-x*x-y*y)
 
 # if you need more layers: enter 'LAYER <name>' then describe the layer, using the same format, except DESC and START are irrelevant.
 # MAP is necessary. FUNCTION and BOUNDS will be copied from the main layer if not provided.
+
+LAYER below
+MAP F
+FUNCTION -1