diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc
index 2e5a15498d8..9800c445cfb 100644
--- a/storage/innobase/os/os0file.cc
+++ b/storage/innobase/os/os0file.cc
@@ -2831,7 +2831,8 @@ os_file_rename_func(
 
 	/* New path must not exist. */
 	ut_ad(os_file_status(newpath, &exists, &type));
-	ut_ad(!exists);
+	/* MDEV-25506 FIXME: Remove the strstr() */
+	ut_ad(!exists || strstr(oldpath, "/" TEMP_FILE_PREFIX_INNODB));
 
 	/* Old path must exist. */
 	ut_ad(os_file_status(oldpath, &exists, &type));