diff --git a/module3/exo1/influenza-like-illness-analysis.ipynb b/module3/exo1/influenza-like-illness-analysis.ipynb
index 4efc24e18067a3d49a7c2cec9160b3fa331fbbdf..e474800adb95c88482eb0ac38a9ea5aad814c6f4 100644
--- a/module3/exo1/influenza-like-illness-analysis.ipynb
+++ b/module3/exo1/influenza-like-illness-analysis.ipynb
@@ -314,7 +314,7 @@
     }
    ],
    "source": [
-    "local_filename = '/tmp/tmp.csv'\n",
+    "local_filename = \"/tmp/tmp.csv\"\n",
     "if not os.path.exists(local_filename):\n",
     "    print(\"downloading file...\")\n",
     "    wget.download(data_url, local_filename)    \n",