diff --git a/Dockerfile b/Dockerfile
index ada97fa8..cb4b997d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -90,7 +90,7 @@ ENV VPNSP=pia \
     WIREGUARD_PRIVATE_KEY= \
     WIREGUARD_PRESHARED_KEY= \
     WIREGUARD_PUBLIC_KEY= \
-    WIREGUARD_ADDRESS= \
+    WIREGUARD_ADDRESSES= \
     # VPN server filtering
     REGION= \
     COUNTRY= \
diff --git a/README.md b/README.md
index a9f3bd5e..6eb11ffe 100644
--- a/README.md
+++ b/README.md
@@ -117,7 +117,7 @@ services:
       - OPENVPN_PASSWORD=
       # Wireguard:
       # - WIREGUARD_PRIVATE_KEY=wOEI9rqqbDwnN8/Bpp22sVz48T71vJ4fYmFWujulwUU=
-      # - WIREGUARD_ADDRESS=10.64.222.21/32
+      # - WIREGUARD_ADDRESSES=10.64.222.21/32
       # Timezone for accurate log times
       - TZ=
 ```
diff --git a/internal/configuration/sources/env/wireguard.go b/internal/configuration/sources/env/wireguard.go
index 0508855c..5fd3917b 100644
--- a/internal/configuration/sources/env/wireguard.go
+++ b/internal/configuration/sources/env/wireguard.go
@@ -3,7 +3,6 @@ package env
 import (
 	"fmt"
 	"net"
-	"os"
 	"strings"
 
 	"github.com/qdm12/gluetun/internal/configuration/settings"
@@ -16,15 +15,15 @@ func (r *Reader) readWireguard() (wireguard settings.Wireguard, err error) {
 	wireguard.PrivateKey = envToStringPtr("WIREGUARD_PRIVATE_KEY")
 	wireguard.PreSharedKey = envToStringPtr("WIREGUARD_PRESHARED_KEY")
 	_, wireguard.Interface = r.getEnvWithRetro("VPN_INTERFACE", "WIREGUARD_INTERFACE")
-	wireguard.Addresses, err = readWireguardAddresses()
+	wireguard.Addresses, err = r.readWireguardAddresses()
 	if err != nil {
 		return wireguard, err // already wrapped
 	}
 	return wireguard, nil
 }
 
-func readWireguardAddresses() (addresses []net.IPNet, err error) {
-	addressesCSV := os.Getenv("WIREGUARD_ADDRESS")
+func (r *Reader) readWireguardAddresses() (addresses []net.IPNet, err error) {
+	key, addressesCSV := r.getEnvWithRetro("WIREGUARD_ADDRESSES", "WIREGUARD_ADDRESS")
 	if addressesCSV == "" {
 		return nil, nil
 	}
@@ -34,7 +33,7 @@ func readWireguardAddresses() (addresses []net.IPNet, err error) {
 	for i, addressString := range addressStrings {
 		ip, ipNet, err := net.ParseCIDR(addressString)
 		if err != nil {
-			return nil, fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
+			return nil, fmt.Errorf("environment variable %s: %w", key, err)
 		}
 		ipNet.IP = ip
 		addresses[i] = *ipNet