diff --git a/internal/provider/utils/wireguard.go b/internal/provider/utils/wireguard.go
index 601855bd..4cc063d1 100644
--- a/internal/provider/utils/wireguard.go
+++ b/internal/provider/utils/wireguard.go
@@ -15,15 +15,15 @@ func BuildWireguardSettings(connection models.Connection,
 	settings.PreSharedKey = userSettings.PreSharedKey
 	settings.InterfaceName = userSettings.Interface
 
-	const routePriority = 101 // 100 is to receive external connections
-	settings.RulePriority = routePriority
+	const rulePriority = 101 // 100 is to receive external connections
+	settings.RulePriority = rulePriority
 
 	settings.Endpoint = new(net.UDPAddr)
 	settings.Endpoint.IP = make(net.IP, len(connection.IP))
 	copy(settings.Endpoint.IP, connection.IP)
 	settings.Endpoint.Port = int(connection.Port)
 
-	for _, address := range settings.Addresses {
+	for _, address := range userSettings.Addresses {
 		addressCopy := new(net.IPNet)
 		addressCopy.IP = make(net.IP, len(address.IP))
 		copy(addressCopy.IP, address.IP)
diff --git a/internal/provider/utils/wireguard_test.go b/internal/provider/utils/wireguard_test.go
new file mode 100644
index 00000000..55e1e422
--- /dev/null
+++ b/internal/provider/utils/wireguard_test.go
@@ -0,0 +1,65 @@
+package utils
+
+import (
+	"net"
+	"testing"
+
+	"github.com/qdm12/gluetun/internal/configuration"
+	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/wireguard"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_BuildWireguardSettings(t *testing.T) {
+	t.Parallel()
+
+	testCases := map[string]struct {
+		connection   models.Connection
+		userSettings configuration.Wireguard
+		settings     wireguard.Settings
+	}{
+		"some settings": {
+			connection: models.Connection{
+				IP:     net.IPv4(1, 2, 3, 4),
+				Port:   51821,
+				PubKey: "public",
+			},
+			userSettings: configuration.Wireguard{
+				PrivateKey:   "private",
+				PreSharedKey: "pre-shared",
+				Addresses: []*net.IPNet{
+					{IP: net.IPv4(1, 1, 1, 1), Mask: net.IPv4Mask(255, 255, 255, 255)},
+					{IP: net.IPv4(2, 2, 2, 2), Mask: net.IPv4Mask(255, 255, 255, 255)},
+				},
+				Interface: "wg1",
+			},
+			settings: wireguard.Settings{
+				InterfaceName: "wg1",
+				PrivateKey:    "private",
+				PublicKey:     "public",
+				PreSharedKey:  "pre-shared",
+				Endpoint: &net.UDPAddr{
+					IP:   net.IPv4(1, 2, 3, 4),
+					Port: 51821,
+				},
+				Addresses: []*net.IPNet{
+					{IP: net.IPv4(1, 1, 1, 1), Mask: net.IPv4Mask(255, 255, 255, 255)},
+					{IP: net.IPv4(2, 2, 2, 2), Mask: net.IPv4Mask(255, 255, 255, 255)},
+				},
+				RulePriority: 101,
+			},
+		},
+	}
+
+	for name, testCase := range testCases {
+		testCase := testCase
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
+			settings := BuildWireguardSettings(testCase.connection,
+				testCase.userSettings)
+
+			assert.Equal(t, testCase.settings, settings)
+		})
+	}
+}