diff --git a/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh b/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh
index c1ec42e..2f35865 100755
--- a/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh
+++ b/meta-phosphor/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh
@@ -20,4 +20,4 @@
 path="${path//:/--}"
 path="${path//-/\\x2d}"
 
-systemctl $action 'xyz.openbmc_project.Hwmon@'$path'.service'
+systemctl --no-block $action 'xyz.openbmc_project.Hwmon@'$path'.service'