diff --git a/service_files/op-stop-instructions@.service.in b/service_files/op-stop-instructions@.service.in
index 8fada7e..63617cc 100644
--- a/service_files/op-stop-instructions@.service.in
+++ b/service_files/op-stop-instructions@.service.in
@@ -13,7 +13,7 @@
 RemainAfterExit=yes
 Type=oneshot
 TimeoutStartSec=20
-ExecStart=/bin/sh -c 'systemctl stop attn_handler.service || true'
+ExecStart=-/bin/sh -c 'systemctl stop attn_handler.service'
 ExecStart=/usr/bin/openpower-proc-control threadStopAll
 
 [Install]