diff --git a/common/recipes-phosphor/watchdog/phosphor-watchdog/poweron.conf b/common/recipes-phosphor/watchdog/phosphor-watchdog/poweron.conf
index 7399fa5..93e74e3 100644
--- a/common/recipes-phosphor/watchdog/phosphor-watchdog/poweron.conf
+++ b/common/recipes-phosphor/watchdog/phosphor-watchdog/poweron.conf
@@ -1,2 +1,3 @@
 [Unit]
 Conflicts=obmc-host-stop@0.target
+Conflicts=obmc-chassis-poweroff@0.target