diff --git a/test/shell/integrity-large.sh b/test/shell/integrity-large.sh
index 37823ab96..dcb7ba14b 100644
--- a/test/shell/integrity-large.sh
+++ b/test/shell/integrity-large.sh
@@ -146,7 +146,7 @@ lvremove $vg/$lv1
 
 # As the test doesn't wait for full resync
 # delay legs so not all data need to be written.
-aux delay_dev "$dev1" 1000 0 "$(( $(get first_extent_sector "$dev1") + 16000 )):1200000"
+aux delay_dev "$dev1" 400 0 "$(( $(get first_extent_sector "$dev1") + 16000 )):1200000"
 aux delay_dev "$dev2" 0 10 "$(( $(get first_extent_sector "$dev2") + 16000 )):1200000"