diff --git a/phosphor-gpio-monitor@.service b/phosphor-gpio-monitor@.service
index c1846f8..02572a2 100644
--- a/phosphor-gpio-monitor@.service
+++ b/phosphor-gpio-monitor@.service
@@ -4,4 +4,4 @@
 [Service]
 Restart=no
 EnvironmentFile=/etc/default/obmc/gpio/%I
-ExecStart=/usr/bin/phosphor-gpio-monitor --path=${{DEVPATH}} --key=${{KEY}} --polarity=${{POLARITY}} --target=${{TARGET}} ${{EXTRA_ARGS}}
+ExecStart=/usr/bin/phosphor-gpio-monitor --path=${DEVPATH} --key=${KEY} --polarity=${POLARITY} --target=${TARGET} ${EXTRA_ARGS}