diff --git a/ChangeLog b/ChangeLog
index cbfafd0d22..382ff5bc47 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -51,6 +51,7 @@ phpMyAdmin - ChangeLog
 - issue #16994 Only escape once on grant/revoke privileges for databases containing '_' or '%'
 - issue #16994 Only show databases without a privilege on multi select for user grant databases
 - issue        Removed un-expected query success message from the Table export page
+- issue #17026 Handle possible invalid boolean values injected in SaveDir or UploadDir causing "TypeError: mb_substr()"
 
 5.1.1 (2021-06-04)
 - issue #13325 Fixed created procedure shows up in triggers and events and vice-versa