diff --git a/phosphor-gpio-presence@.service b/phosphor-gpio-presence@.service
index fdb6654..5f806d9 100644
--- a/phosphor-gpio-presence@.service
+++ b/phosphor-gpio-presence@.service
@@ -6,7 +6,7 @@
 
 [Service]
 EnvironmentFile=/etc/default/obmc/gpio/phosphor-power-supply-%i.conf
-ExecStart=/usr/bin/phosphor-gpio-presence --path=${{DEVPATH}} --inventory=${{INVENTORY}} --key=${{KEY}} --name=${{NAME}} --drivers=${{DRIVERS}} --extra-ifaces=${{EXTRA_IFACES}}
+ExecStart=/usr/bin/phosphor-gpio-presence --path=${DEVPATH} --inventory=${INVENTORY} --key=${KEY} --name=${NAME} --drivers=${DRIVERS} --extra-ifaces=${EXTRA_IFACES}
 
 [Install]
 RequiredBy=multi-user.target