diff --git a/intro_to_gurobipy/intro_to_gurobipy.ipynb b/intro_to_gurobipy/intro_to_gurobipy.ipynb
index 72999ce..b609612 100644
--- a/intro_to_gurobipy/intro_to_gurobipy.ipynb
+++ b/intro_to_gurobipy/intro_to_gurobipy.ipynb
@@ -752,7 +752,7 @@
     "import gurobipy as gp\n",
     "from gurobipy import GRB\n",
     "\n",
-    "url = \"https://raw.githubusercontent.com/Gurobi/modeling-examples/master/intro_to_gurobipy/data\"\n",
+    "url = \"https://raw.githubusercontent.com/Gurobi/modeling-examples/master/intro_to_gurobipy/data/glass4.mps.bz2\"\n",
     "path_to_file, _ = urllib.request.urlretrieve(url, \"./glass4.mps.bz2\")\n",
     "\n",
     "# running notebook locally:\n",
@@ -800,7 +800,7 @@
     "import gurobipy as gp\n",
     "from gurobipy import GRB\n",
     "\n",
-    "url = \"https://raw.githubusercontent.com/Gurobi/modeling-examples/master/intro_to_gurobipy/data\"\n",
+    "url = \"https://raw.githubusercontent.com/Gurobi/modeling-examples/master/intro_to_gurobipy/data/glass4.mps.bz2\"\n",
     "path_to_file, _ = urllib.request.urlretrieve(url, \"./glass4.mps.bz2\")\n",
     "\n",
     "# running notebook locally:\n",