diff --git a/section-2-data-science-and-ml-tools/pandas-exercises-solutions.ipynb b/section-2-data-science-and-ml-tools/pandas-exercises-solutions.ipynb
index 8572bdf26..e4d6fc72e 100644
--- a/section-2-data-science-and-ml-tools/pandas-exercises-solutions.ipynb
+++ b/section-2-data-science-and-ml-tools/pandas-exercises-solutions.ipynb
@@ -1322,7 +1322,7 @@
    "outputs": [],
    "source": [
     "# Remove the punctuation from price column\n",
-    "car_sales[\"Price\"] = car_sales[\"Price\"].str.replace(\"[\\$\\,\\.]\", \"\")"
+    "car_sales[\"Price\"] = car_sales[\"Price\"].str.replace(r\"[\\$\\,\\.]\", \"\", regex=True)"
    ]
   },
   {