diff --git a/src/figures.py b/src/figures.py
index faeb638..e799b4f 100644
--- a/src/figures.py
+++ b/src/figures.py
@@ -360,7 +360,7 @@ def get_duplicate_matrix() -> dcc.Graph:
     return dcc.Graph(figure=fig)
 
 
-def get_geographic_maps(dff: pl.DataFrame) -> list | None:
+def get_geographic_maps(dff: pl.DataFrame) -> list[dbc.Col] | list:
     """
     Génère les cartes géographiques pour l'hexagone et les DOM-TOM.
     """
@@ -404,7 +404,7 @@ def get_geographic_maps(dff: pl.DataFrame) -> list | None:
         },
     }
 
-    def make_map_data(region_code: str) -> tuple[list, str or None]:
+    def make_map_data(region_code: str) -> tuple[list, str | None]:
         lff: pl.LazyFrame = dff.lazy()
         if region_code == "Hexagone":
             lff = lff.filter(
diff --git a/src/pages/observatoire.py b/src/pages/observatoire.py
index a490146..3f0d5a8 100644
--- a/src/pages/observatoire.py
+++ b/src/pages/observatoire.py
@@ -732,7 +732,7 @@ def _compute_dashboard_children(cache_key: tuple):
     )
     cards.append(make_card(title="Top titulaires", fig=top_titulaires, lg=12, xl=8))
 
-    geographic_maps: list[dbc.Col] = get_geographic_maps(dff)
+    geographic_maps: list[dbc.Col] | None = get_geographic_maps(dff)
 
     other_cards = []
     sources_barchart = get_barchart_sources(lff, type_date="dateNotification")