diff --git a/src/backend/matrix_client.py b/src/backend/matrix_client.py
index 99d0db7e..7679208d 100644
--- a/src/backend/matrix_client.py
+++ b/src/backend/matrix_client.py
@@ -877,12 +877,19 @@ class MatrixClient(nio.AsyncClient):
 
 
     async def get_redacted_event_content(
-        self, m_type: str, redacter: str, sender: str, reason: str = "",
+        self,
+        nio_type: Type[nio.Event],
+        redacter: str,
+        sender:   str,
+        reason:   str = "",
     ) -> str:
-        kind = m_type.split(".")[-1].replace("_", " ")
+        """Get content to be displayed in place of a redacted event."""
 
-        if kind != "message":
-            kind = f"{kind} event"
+        kind = (
+            "message" if issubclass(nio_type, nio.RoomMessage) else
+            "media" if issubclass(nio_type, nio.RoomMessageMedia) else
+            "event"
+        )
 
         content = f"%1 removed this {kind}" if redacter == sender else \
                   f"%1's {kind} was removed by %2"
@@ -894,29 +901,33 @@ class MatrixClient(nio.AsyncClient):
 
 
     async def room_mass_redact(
-        self, room_id: str, reason: str, *event_ids: str,
+        self, room_id: str, reason: str, *event_client_ids: str,
     ) -> List[nio.RoomRedactResponse]:
         """Redact events from a room in parallel."""
 
-        model = self.models[self.user_id, room_id, "events"]
         tasks = []
 
-        for event in model._sorted_data:
-            m_type = event.source.source["type"]
+        for user_id in self.backend.clients:
+            for client_id in event_client_ids:
+
+                event = self.models[user_id, room_id, "events"].get(client_id)
+
+                if not event:
+                    continue
+
+                if user_id == self.user_id:
+                    tasks.append(
+                        self.room_redact(room_id, event.event_id, reason),
+                    )
 
-            if event.event_id in event_ids:
                 event.is_local_echo = True
 
                 event.content = await self.get_redacted_event_content(
-                    m_type, self.user_id, event.sender_id, reason,
+                    event.event_type, self.user_id, event.sender_id, reason,
                 )
 
                 event.event_type = nio.RedactedEvent
 
-                tasks.append(
-                    self.room_redact(room_id, event.event_id, reason),
-                )
-
         return await asyncio.gather(*tasks)
 
 
diff --git a/src/backend/nio_callbacks.py b/src/backend/nio_callbacks.py
index 9d08679d..70153f6a 100644
--- a/src/backend/nio_callbacks.py
+++ b/src/backend/nio_callbacks.py
@@ -199,7 +199,7 @@ class NioCallbacks:
             reason   = ev.reason or "",
 
             content = await self.client.get_redacted_event_content(
-                ev.source["type"], ev.redacter, ev.sender, ev.reason,
+                type(ev), ev.redacter, ev.sender, ev.reason,
             ),
 
             redacter_id   = ev.redacter or "",
diff --git a/src/gui/Pages/Chat/Timeline/EventDelegate.qml b/src/gui/Pages/Chat/Timeline/EventDelegate.qml
index 7528c220..e406e379 100644
--- a/src/gui/Pages/Chat/Timeline/EventDelegate.qml
+++ b/src/gui/Pages/Chat/Timeline/EventDelegate.qml
@@ -229,9 +229,7 @@ HColumnLayout {
             properties: ({
                 preferUserId: chat.userId,
                 roomId: chat.roomId,
-
-                eventSenderAndIds:
-                    events.map(ev => [ev.sender_id, ev.event_id]),
+                eventSenderAndIds: events.map(ev => [ev.sender_id, ev.id]),
 
                 onlyOwnMessageWarning:
                     ! chat.roomInfo.can_redact_all &&
diff --git a/src/gui/Pages/Chat/Timeline/EventList.qml b/src/gui/Pages/Chat/Timeline/EventList.qml
index fb782c7c..270b86b5 100644
--- a/src/gui/Pages/Chat/Timeline/EventList.qml
+++ b/src/gui/Pages/Chat/Timeline/EventList.qml
@@ -61,7 +61,7 @@ Rectangle {
 
                 eventSenderAndIds:
                     (events || findLastRemovableDelegate()).map(
-                        ev => [ev.sender_id, ev.event_id],
+                        ev => [ev.sender_id, ev.id],
                     ),
 
                 isLast: ! events,
diff --git a/src/gui/Popups/RedactPopup.qml b/src/gui/Popups/RedactPopup.qml
index 657582bb..c7af4268 100644
--- a/src/gui/Popups/RedactPopup.qml
+++ b/src/gui/Popups/RedactPopup.qml
@@ -24,22 +24,20 @@ BoxPopup {
     box.focusButton: "ok"
 
     onOk: {
-        const idsForSender = {}  // {senderId: [eventId, ...]}
+        const idsForSender = {}  // {senderId: [event.id, ...]}
 
-        for (const [senderId, eventId] of eventSenderAndIds) {
+        for (const [senderId, eventClientId] of eventSenderAndIds) {
             if (! idsForSender[senderId])
                 idsForSender[senderId] = []
 
-            idsForSender[senderId].push(eventId)
+            idsForSender[senderId].push(eventClientId)
         }
 
-        print( JSON.stringify( idsForSender, null, 4))
-
-        for (const [senderId, eventIds] of Object.entries(idsForSender))
+        for (const [senderId, eventClientIds] of Object.entries(idsForSender))
             py.callClientCoro(
                 mainUI.accountIds.includes(senderId) ? senderId : preferUserId,
                 "room_mass_redact",
-                [roomId, reasonField.field.text, ...eventIds]
+                [roomId, reasonField.field.text, ...eventClientIds]
             )
     }
 
@@ -47,7 +45,7 @@ BoxPopup {
     property string preferUserId: ""
     property string roomId: ""
 
-    property var eventSenderAndIds: []  // [[senderId, eventId], ...]
+    property var eventSenderAndIds: []  // [[senderId, event.id], ...]
     property bool onlyOwnMessageWarning: false
     property bool isLast: false