diff --git a/tor-relay/run.sh b/tor-relay/run.sh
index 01caa0b..7bca985 100644
--- a/tor-relay/run.sh
+++ b/tor-relay/run.sh
@@ -3,13 +3,15 @@ set -e
 set -o pipefail
 
 for relaytype in bridge middle exit; do
-	sed -i 's/${RELAY_NICKNAME}/'"$RELAY_NICKNAME"'/g' "/etc/tor/torrc.$relaytype"
-	sed -i 's/${CONTACT_GPG_FINGERPRINT}/'"$CONTACT_GPG_FINGERPRINT"'/g' "/etc/tor/torrc.$relaytype"
-	sed -i 's/${CONTACT_NAME}/'"$CONTACT_NAME"'/g' "/etc/tor/torrc.$relaytype"
-	sed -i 's/${CONTACT_EMAIL}/'"$CONTACT_EMAIL"'/g' "/etc/tor/torrc.$relaytype"
-	sed -i 's/${RELAY_BANDWIDTH_RATE}/'"$RELAY_BANDWIDTH_RATE"'/g' "/etc/tor/torrc.$relaytype"
-	sed -i 's/${RELAY_BANDWIDTH_BURST}/'"$RELAY_BANDWIDTH_BURST"'/g' "/etc/tor/torrc.$relaytype"
-	sed -i 's/${RELAY_PORT}/'"$RELAY_PORT"'/g' "/etc/tor/torrc.$relaytype"
+	file="/etc/tor/torrc.${relaytype}"
+
+	sed -i "s/RELAY_NICKNAME/${RELAY_NICKNAME}/g" "$file"
+	sed -i "s/CONTACT_GPG_FINGERPRINT/${CONTACT_GPG_FINGERPRINT}/g" "$file"
+	sed -i "s/CONTACT_NAME/${CONTACT_NAME}/g" "$file"
+	sed -i "s/CONTACT_EMAIL/${CONTACT_EMAIL}/g" "$file"
+	sed -i "s/RELAY_BANDWIDTH_RATE/${RELAY_BANDWIDTH_RATE}/g" "$file"
+	sed -i "s/RELAY_BANDWIDTH_BURST/${RELAY_BANDWIDTH_BURST}/g" "$file"
+	sed -i "s/RELAY_PORT/${RELAY_PORT}/g" "$file"
 done
 
 exec tor -f "/etc/tor/torrc.${RELAY_TYPE}"
diff --git a/tor-relay/torrc.bridge b/tor-relay/torrc.bridge
index a77ef0d..80ede79 100644
--- a/tor-relay/torrc.bridge
+++ b/tor-relay/torrc.bridge
@@ -80,7 +80,7 @@
 ## See https://www.torproject.org/docs/tor-doc-relay for details.
 
 ## Required: what port to advertise for incoming Tor connections.
-ORPort ${RELAY_PORT}
+ORPort RELAY_PORT
 ## If you want to listen on a port other than the one advertised in
 ## ORPort (e.g. to advertise 443 but bind to 9090), you can do it as
 ## follows.  You'll need to do ipchains or other port forwarding
@@ -97,7 +97,7 @@ ORPort ${RELAY_PORT}
 # OutboundBindAddress 10.0.0.5
 
 ## A handle for your relay, so people don't have to refer to it by key.
-Nickname ${RELAY_NICKNAME}
+Nickname RELAY_NICKNAME
 
 ## Define these to limit how much relayed traffic you will allow. Your
 ## own traffic is still unthrottled. Note that RelayBandwidthRate must
@@ -107,8 +107,8 @@ Nickname ${RELAY_NICKNAME}
 ## 2^20, etc.
 #RelayBandwidthRate 100 KBytes  # Throttle traffic to 100KB/s (800Kbps)
 #RelayBandwidthBurst 200 KBytes # But allow bursts up to 200KB (1600Kb)
-RelayBandwidthRate ${RELAY_BANDWIDTH_RATE}
-RelayBandwidthBurst ${RELAY_BANDWIDTH_BURST}
+RelayBandwidthRate RELAY_BANDWIDTH_RATE
+RelayBandwidthBurst RELAY_BANDWIDTH_BURST
 
 ## Use these to restrict the maximum traffic per day, week, or month.
 ## Note that this threshold applies separately to sent and received bytes,
@@ -131,7 +131,7 @@ RelayBandwidthBurst ${RELAY_BANDWIDTH_BURST}
 ## it's an email address and/or generate a new address for this purpose.
 #ContactInfo Random Person <nobody AT example dot com>
 ## You might also include your PGP or GPG fingerprint if you have one:
-ContactInfo ${CONTACT_GPG_FINGERPRINT} ${CONTACT_NAME} ${CONTACT_EMAIL}
+ContactInfo CONTACT_GPG_FINGERPRINT CONTACT_NAME CONTACT_EMAIL
 
 ## Uncomment this to mirror directory information for others. Please do
 ## if you have enough bandwidth.
diff --git a/tor-relay/torrc.exit b/tor-relay/torrc.exit
index bab1bbf..2a41d20 100644
--- a/tor-relay/torrc.exit
+++ b/tor-relay/torrc.exit
@@ -80,7 +80,7 @@
 ## See https://www.torproject.org/docs/tor-doc-relay for details.
 
 ## Required: what port to advertise for incoming Tor connections.
-ORPort ${RELAY_PORT}
+ORPort RELAY_PORT
 ## If you want to listen on a port other than the one advertised in
 ## ORPort (e.g. to advertise 443 but bind to 9090), you can do it as
 ## follows.  You'll need to do ipchains or other port forwarding
@@ -97,7 +97,7 @@ ORPort ${RELAY_PORT}
 # OutboundBindAddress 10.0.0.5
 
 ## A handle for your relay, so people don't have to refer to it by key.
-Nickname ${RELAY_NICKNAME}
+Nickname RELAY_NICKNAME
 
 ## Define these to limit how much relayed traffic you will allow. Your
 ## own traffic is still unthrottled. Note that RelayBandwidthRate must
@@ -107,8 +107,8 @@ Nickname ${RELAY_NICKNAME}
 ## 2^20, etc.
 #RelayBandwidthRate 100 KBytes  # Throttle traffic to 100KB/s (800Kbps)
 #RelayBandwidthBurst 200 KBytes # But allow bursts up to 200KB (1600Kb)
-RelayBandwidthRate ${RELAY_BANDWIDTH_RATE}
-RelayBandwidthBurst ${RELAY_BANDWIDTH_BURST}
+RelayBandwidthRate RELAY_BANDWIDTH_RATE
+RelayBandwidthBurst RELAY_BANDWIDTH_BURST
 
 ## Use these to restrict the maximum traffic per day, week, or month.
 ## Note that this threshold applies separately to sent and received bytes,
@@ -131,7 +131,7 @@ RelayBandwidthBurst ${RELAY_BANDWIDTH_BURST}
 ## it's an email address and/or generate a new address for this purpose.
 #ContactInfo Random Person <nobody AT example dot com>
 ## You might also include your PGP or GPG fingerprint if you have one:
-ContactInfo ${CONTACT_GPG_FINGERPRINT} ${CONTACT_NAME} ${CONTACT_EMAIL}
+ContactInfo CONTACT_GPG_FINGERPRINT CONTACT_NAME CONTACT_EMAIL
 
 ## Uncomment this to mirror directory information for others. Please do
 ## if you have enough bandwidth.
diff --git a/tor-relay/torrc.middle b/tor-relay/torrc.middle
index 4c2fe19..27583ae 100644
--- a/tor-relay/torrc.middle
+++ b/tor-relay/torrc.middle
@@ -80,7 +80,7 @@
 ## See https://www.torproject.org/docs/tor-doc-relay for details.
 
 ## Required: what port to advertise for incoming Tor connections.
-ORPort ${RELAY_PORT}
+ORPort RELAY_PORT
 ## If you want to listen on a port other than the one advertised in
 ## ORPort (e.g. to advertise 443 but bind to 9090), you can do it as
 ## follows.  You'll need to do ipchains or other port forwarding
@@ -97,7 +97,7 @@ ORPort ${RELAY_PORT}
 # OutboundBindAddress 10.0.0.5
 
 ## A handle for your relay, so people don't have to refer to it by key.
-Nickname ${RELAY_NICKNAME}
+Nickname RELAY_NICKNAME
 
 ## Define these to limit how much relayed traffic you will allow. Your
 ## own traffic is still unthrottled. Note that RelayBandwidthRate must
@@ -107,8 +107,8 @@ Nickname ${RELAY_NICKNAME}
 ## 2^20, etc.
 #RelayBandwidthRate 100 KBytes  # Throttle traffic to 100KB/s (800Kbps)
 #RelayBandwidthBurst 200 KBytes # But allow bursts up to 200KB (1600Kb)
-RelayBandwidthRate ${RELAY_BANDWIDTH_RATE}
-RelayBandwidthBurst ${RELAY_BANDWIDTH_BURST}
+RelayBandwidthRate RELAY_BANDWIDTH_RATE
+RelayBandwidthBurst RELAY_BANDWIDTH_BURST
 
 ## Use these to restrict the maximum traffic per day, week, or month.
 ## Note that this threshold applies separately to sent and received bytes,
@@ -131,7 +131,7 @@ RelayBandwidthBurst ${RELAY_BANDWIDTH_BURST}
 ## it's an email address and/or generate a new address for this purpose.
 #ContactInfo Random Person <nobody AT example dot com>
 ## You might also include your PGP or GPG fingerprint if you have one:
-ContactInfo ${CONTACT_GPG_FINGERPRINT} ${CONTACT_NAME} ${CONTACT_EMAIL}
+ContactInfo CONTACT_GPG_FINGERPRINT CONTACT_NAME CONTACT_EMAIL
 
 ## Uncomment this to mirror directory information for others. Please do
 ## if you have enough bandwidth.