diff --git a/test/tw-1715.t b/test/tw-1715.t
index fa8bd830b..abfe80755 100755
--- a/test/tw-1715.t
+++ b/test/tw-1715.t
@@ -1,12 +1,10 @@
 #!/usr/bin/env bash
 . bash_tap_tw.sh
 
-echo "uda.ticketdate.type=date" >> taskrc
-
-# This adds a task with a wrong ticketdate. If rc.dateformat is set, it works as expected.
-task add basetask ticketdate:2015-09-03T08:00:00Z
+# This adds a task with a wrong due date. If rc.dateformat is set, it works as expected.
+task add basetask due:2015-09-03T08:00:00Z
 
 # For seeing the problem in test output; not needed to make the test fail.
 task export
 
-task export | grep -E '"ticketdate":\s*"20150903T080000Z"'
+task export | grep -E '"due":\s*"20150903T080000Z"'