diff --git a/tests/io_task_test.cfg b/tests/io_task_test.cfg
index c9fc2ab..4d78578 100644
--- a/tests/io_task_test.cfg
+++ b/tests/io_task_test.cfg
@@ -1,4 +1,5 @@
 [writetest * 3]
+group_reporting
 numjobs=4
 wait_for_previous
 ramp_time=5