diff --git a/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh b/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh
index cf72528..c1ec42e 100755
--- a/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh
+++ b/recipes-phosphor/sensors/phosphor-hwmon/start_hwmon.sh
@@ -17,7 +17,7 @@
     fi
 fi
 
+path="${path//:/--}"
 path="${path//-/\\x2d}"
-path="${path//:/\\x3a}"
 
 systemctl $action 'xyz.openbmc_project.Hwmon@'$path'.service'