diff --git a/day_3/RuNNerMD.ipynb b/day_3/RuNNerMD.ipynb
index ae2e905c47d3b8f790a9cce4ebc672b2a0a0882b..018ad95f0030cbd793ae2b7d3918f2a45f6ae246 100644
--- a/day_3/RuNNerMD.ipynb
+++ b/day_3/RuNNerMD.ipynb
@@ -37,7 +37,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "j.potential = Project('../day_2/runner/runner_fit').load('fit').lammps_potential"
+    "j.potential = Project('../day_2/02-runner/runner_fit').load('fit').lammps_potential"
    ]
   },
   {