diff --git a/push-down-test/functions.txt b/push-down-test/functions.txt
index 3b1da69..3cc3167 100644
--- a/push-down-test/functions.txt
+++ b/push-down-test/functions.txt
@@ -107,3 +107,4 @@ inet6_ntoa
 uncompressed_length
 md5
 sha1
+oct