diff --git a/gramps/gui/views/treemodels/eventmodel.py b/gramps/gui/views/treemodels/eventmodel.py
index ca2599ae0..bdd1c57e5 100644
--- a/gramps/gui/views/treemodels/eventmodel.py
+++ b/gramps/gui/views/treemodels/eventmodel.py
@@ -130,7 +130,8 @@ class EventModel(FlatBaseModel):
         handle = data[0]
         cached, value = self.get_cached_value(handle, "PARTICIPANT")
         if not cached:
-            value = get_participant_from_event(self.db, data[COLUMN_HANDLE])
+            value = get_participant_from_event(self.db, data[COLUMN_HANDLE],
+                                               all_=True) # all participants
             self.set_cached_value(handle, "PARTICIPANT", value)
         return value