diff --git a/sytest-whitelist b/sytest-whitelist
index c1c0c13ac..e59d2df16 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -313,3 +313,4 @@ Invalid JSON integers
 Invalid JSON special values
 Invalid JSON floats
 Outbound federation will ignore a missing event with bad JSON for room version 6
+Can download without a file name over federation