diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index fb2bbe5..f638fc0 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -2768,7 +2768,14 @@ class RecurrentImport(models.Model):
             stdev=StdDev("foresight"),
         )
 
-        return [[_(x), round(stats[x], 2), round(statsm[x], 2)] for x in stats]
+        return [
+            [
+                _(x),
+                round(stats[x], 2) if stats[x] is not None else "-",
+                round(statsm[x], 2) if statsm[x] is not None else "-",
+            ]
+            for x in stats
+        ]
 
     def get_global_foresight_quality():
         return RecurrentImport._get_foresight_quality_internal(Event.objects)