diff --git a/sytest-whitelist b/sytest-whitelist
index 5c8896b99..fc10bd3cc 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -741,4 +741,5 @@ Newly joined room includes presence in incremental sync
 User in private room doesn't appear in user directory
 User joining then leaving public room appears and dissappears from directory
 User in remote room doesn't appear in user directory after server left room
-User in shared private room does appear in user directory until leave
\ No newline at end of file
+User in shared private room does appear in user directory until leave
+If a device list update goes missing, the server resyncs on the next one
\ No newline at end of file