diff --git a/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon/xyz.openbmc_project.Hwmon@.service b/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon/xyz.openbmc_project.Hwmon@.service
index a59349d..a091f1a 100644
--- a/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon/xyz.openbmc_project.Hwmon@.service
+++ b/meta-phosphor/common/recipes-phosphor/sensors/phosphor-hwmon/xyz.openbmc_project.Hwmon@.service
@@ -2,6 +2,7 @@
 Description=Phosphor Hwmon Poller
 ConditionFileNotEmpty=/etc/default/obmc/hwmon/%I.conf
 StopWhenUnneeded=true
+After=xyz.openbmc_project.ObjectMapper.service
 
 [Service]
 Restart=always