diff --git a/src/api/client_server/membership.rs b/src/api/client_server/membership.rs
index 7d6c9cdb..d427906b 100644
--- a/src/api/client_server/membership.rs
+++ b/src/api/client_server/membership.rs
@@ -1556,7 +1556,7 @@ pub(crate) async fn leave_room(
             )
             .await?;
     } else {
-        if let Err(error) = remote_leave_room(user_id, room_id).await {
+        if let Err(error) = remote_leave_room(user_id, room_id, reason).await {
             warn!(%error, "Failed to leave room remotely");
             // Don't tell the client about this error
         }
@@ -1585,7 +1585,11 @@ pub(crate) async fn leave_room(
 }
 
 #[allow(clippy::too_many_lines)]
-async fn remote_leave_room(user_id: &UserId, room_id: &RoomId) -> Result<()> {
+async fn remote_leave_room(
+    user_id: &UserId,
+    room_id: &RoomId,
+    reason: Option<String>,
+) -> Result<()> {
     let mut make_leave_response_and_server = Err(Error::BadServerResponse(
         "No server available to assist in leaving.",
     ));
@@ -1651,6 +1655,17 @@ async fn remote_leave_room(user_id: &UserId, room_id: &RoomId) -> Result<()> {
         )
     })?;
 
+    if let Some(reason) = reason {
+        if let Some(CanonicalJsonValue::Object(content)) =
+            leave_event_stub.get_mut("content")
+        {
+            content.insert(
+                "reason".to_owned(),
+                CanonicalJsonValue::String(reason),
+            );
+        }
+    }
+
     // TODO: Is origin needed?
     leave_event_stub.insert(
         "origin".to_owned(),