diff --git a/src/pages/home.py b/src/pages/home.py
index 4edbf8d..c7b4095 100644
--- a/src/pages/home.py
+++ b/src/pages/home.py
@@ -7,6 +7,7 @@ from dotenv import load_dotenv
 
 from src.utils import (
     add_annuaire_link,
+    add_resource_link,
     booleans_to_strings,
     format_number,
     lf,
@@ -43,6 +44,9 @@ lf = lf.fill_null("")
 # Ajout des liens vers l'annuaire
 lf = add_annuaire_link(lf)
 
+# Ajout des liens open data
+lf = add_resource_link(lf)
+
 schema = lf.collect_schema()
 
 
@@ -220,11 +224,20 @@ def update_table(page_current, page_size, filter_query, sort_by, data_timestamp)
     State("table", "hidden_columns"),
     prevent_initial_call=True,
 )
-def download_data(n_clicks, hidden_columns):
+def download_data(n_clicks, hidden_columns: list = None):
     df_to_download = df_filtered.clone()
 
+    print(df_to_download.columns)
+
+    # Rétablissement des colonnes source et sourceOpenData (voir add_resource_link)
+    df_to_download = df_to_download.with_columns(
+        pl.col("source").str.extract(r'href="(.*?)"').alias("sourceOpenData"),
+        pl.col("source").str.extract(r'">(.*?)<').alias("source"),
+    )
+
     # Les colonnes masquées sont supprimées
-    df_to_download = df_to_download.drop(hidden_columns)
+    if hidden_columns:
+        df_to_download = df_to_download.drop(hidden_columns)
 
     def to_bytes(buffer):
         df_to_download.write_excel(buffer, worksheet="DECP")
diff --git a/src/utils.py b/src/utils.py
index 2aee276..ace70c8 100644
--- a/src/utils.py
+++ b/src/utils.py
@@ -40,8 +40,18 @@ def split_filter_part(filter_part):
     return [None] * 3
 
 
-def add_annuaire_link(dff: pl.LazyFrame):
-    dff = dff.with_columns(
+def add_resource_link(lff: pl.LazyFrame) -> pl.LazyFrame:
+    lff = lff.with_columns(
+        (
+            '<a href="' + pl.col("sourceOpenData") + '">' + pl.col("source") + "</a>"
+        ).alias("source")
+    )
+    lff = lff.drop("sourceOpenData")
+    return lff
+
+
+def add_annuaire_link(lff: pl.LazyFrame):
+    lff = lff.with_columns(
         pl.when(pl.col("titulaire_typeIdentifiant") == "SIRET")
         .then(
             '<a href = "https://annuaire-entreprises.data.gouv.fr/etablissement/'
@@ -53,7 +63,7 @@ def add_annuaire_link(dff: pl.LazyFrame):
         .otherwise(pl.col("titulaire_id"))
         .alias("titulaire_id")
     )
-    dff = dff.with_columns(
+    lff = lff.with_columns(
         (
             '<a href = "https://annuaire-entreprises.data.gouv.fr/etablissement/'
             + pl.col("acheteur_id")
@@ -62,7 +72,7 @@ def add_annuaire_link(dff: pl.LazyFrame):
             + "</a>"
         ).alias("acheteur_id")
     )
-    return dff
+    return lff
 
 
 def booleans_to_strings(lff: pl.LazyFrame) -> pl.LazyFrame: