diff --git a/debugging.ipynb b/debugging.ipynb
index 8cfa78c..5952fb2 100644
--- a/debugging.ipynb
+++ b/debugging.ipynb
@@ -26,7 +26,7 @@
     "\n",
     "N=6\n",
     "L::T=14.0\n",
-    "n_image=1\n",
+    "n_image=0\n",
     "\n",
     "V=calculate_Vs(V_test, 3, 3, N, L, n_image)\n",
     "\n",