diff --git a/src/pretix/presale/signals.py b/src/pretix/presale/signals.py
index 914834be8..cfff7aa68 100644
--- a/src/pretix/presale/signals.py
+++ b/src/pretix/presale/signals.py
@@ -396,11 +396,11 @@ argument will contain the request object.
 
 item_description = EventPluginSignal()
 """
-Arguments: ``item``, ``variation``
+Arguments: ``item``, ``variation``, ``subevent``
 
 This signal is sent out when the description of an item or variation is rendered and allows you to append
-additional text to the description. You are passed the ``item`` and ``variation`` and expected to return
-HTML.
+additional text to the description. You are passed the ``item``, ``variation`` and ``subevent``. You are
+expected to return HTML.
 """
 
 register_cookie_providers = EventPluginSignal()
diff --git a/src/pretix/presale/views/event.py b/src/pretix/presale/views/event.py
index 8ea1efa1f..72ee39952 100644
--- a/src/pretix/presale/views/event.py
+++ b/src/pretix/presale/views/event.py
@@ -262,7 +262,7 @@ def get_grouped_items(event, subevent=None, voucher=None, channel='web', require
                 continue
 
         item.description = str(item.description)
-        for recv, resp in item_description.send(sender=event, item=item, variation=None):
+        for recv, resp in item_description.send(sender=event, item=item, variation=None, subevent=subevent):
             if resp:
                 item.description += ("<br/>" if item.description else "") + resp
 
@@ -319,7 +319,7 @@ def get_grouped_items(event, subevent=None, voucher=None, channel='web', require
                         continue
 
                 var.description = str(var.description)
-                for recv, resp in item_description.send(sender=event, item=item, variation=var):
+                for recv, resp in item_description.send(sender=event, item=item, variation=var, subevent=subevent):
                     if resp:
                         var.description += ("<br/>" if var.description else "") + resp