diff --git a/node.lua b/node.lua
index ea793f9..12a1db9 100644
--- a/node.lua
+++ b/node.lua
@@ -88,5 +88,9 @@ function node.render()
         end
 
         y = y+12
+
+        if y > real_height then
+            break
+        end
     end
 end