diff --git a/main.py b/main.py
index 896e67e..8a08092 100644
--- a/main.py
+++ b/main.py
@@ -68,6 +68,6 @@ n = 10
 if len(sys.argv) > 1:
     n = int(sys.argv[1])
 if __name__ == "__main__":
-    plot = Plot(n)
+    plot = Plot(n + 1)
     plot.run()