diff --git a/sonic-radiance.love/scenes/overworld/map.lua b/sonic-radiance.love/scenes/overworld/map.lua
index c0b0376..2768bfd 100644
--- a/sonic-radiance.love/scenes/overworld/map.lua
+++ b/sonic-radiance.love/scenes/overworld/map.lua
@@ -145,6 +145,9 @@ end
 
 function TiledMultiMap:haveUpperLayerAtCoord(x, y)
     local wrapper = self:getMapAtPoint(x, y)
+    if (wrapper == nil) then
+        return false
+    end
     return wrapper:haveUpperLayerAtCoord(x, y)
 end