diff --git a/handlers/system.py b/handlers/system.py
index cf65692..f5f98d7 100644
--- a/handlers/system.py
+++ b/handlers/system.py
@@ -432,7 +432,7 @@ async def incidents_export(msg: Message):
         fname = f"incidents_{hours}h.json"
     else:
         sio = io.StringIO()
-        writer = csv.DictWriter(sio, fieldnames=["timestamp", "category", "message"])
+        writer = csv.DictWriter(sio, fieldnames=["timestamp", "category", "message"], delimiter=";")
         writer.writeheader()
         for row in data:
             writer.writerow(row)