diff --git a/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift b/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift
index 72df738..18f4610 100644
--- a/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift
+++ b/WireGuard/WireGuard/UI/iOS/TunnelDetailTableViewController.swift
@@ -152,9 +152,9 @@ extension TunnelDetailTableViewController {
                     s.tunnelsManager.startActivation(of: s.tunnel) { [weak self] error in
                         if let error = error {
                             switch (error) {
-                            case TunnelsManagerError.noEndpoint:
+                            case TunnelActivationError.noEndpoint:
                                 self?.showErrorAlert(title: "Endpoint missing", message: "There must be at least one peer with an endpoint")
-                            case TunnelsManagerError.dnsResolutionFailed:
+                            case TunnelActivationError.dnsResolutionFailed:
                                 self?.showErrorAlert(title: "DNS Failure", message: "One or more endpoint domains could not be resolved")
                             default:
                                 self?.showErrorAlert(title: "Internal error", message: "The tunnel could not be activated")
diff --git a/WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift b/WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift
index 9763b92..75c3687 100644
--- a/WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift
+++ b/WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift
@@ -246,9 +246,9 @@ extension TunnelsListTableViewController {
                     tunnelsManager.startActivation(of: tunnel) { error in
                         if let error = error {
                             switch (error) {
-                            case TunnelsManagerError.noEndpoint:
+                            case TunnelActivationError.noEndpoint:
                                 self?.showErrorAlert(title: "Endpoint missing", message: "There must be at least one peer with an endpoint")
-                            case TunnelsManagerError.dnsResolutionFailed:
+                            case TunnelActivationError.dnsResolutionFailed:
                                 self?.showErrorAlert(title: "DNS Failure", message: "One or more endpoint domains could not be resolved")
                             default:
                                 self?.showErrorAlert(title: "Internal error", message: "The tunnel could not be activated")
diff --git a/WireGuard/WireGuard/VPN/TunnelsManager.swift b/WireGuard/WireGuard/VPN/TunnelsManager.swift
index a9cc1ac..f620779 100644
--- a/WireGuard/WireGuard/VPN/TunnelsManager.swift
+++ b/WireGuard/WireGuard/VPN/TunnelsManager.swift
@@ -12,7 +12,7 @@ protocol TunnelsManagerDelegate: class {
     func tunnelRemoved(at: Int)
 }
 
-enum TunnelsManagerError: Error {
+enum TunnelActivationError: Error {
     case noEndpoint
     case dnsResolutionFailed
     case tunnelOperationFailed
@@ -210,11 +210,11 @@ class TunnelsManager {
 
     func startActivation(of tunnel: TunnelContainer, completionHandler: @escaping (Error?) -> Void) {
         guard (tunnel.status == .inactive) else {
-            completionHandler(TunnelsManagerError.attemptingActivationWhenTunnelIsNotInactive)
+            completionHandler(TunnelActivationError.attemptingActivationWhenTunnelIsNotInactive)
             return
         }
         guard (currentTunnel == nil) else {
-            completionHandler(TunnelsManagerError.attemptingActivationWhenAnotherTunnelIsActive)
+            completionHandler(TunnelActivationError.attemptingActivationWhenAnotherTunnelIsActive)
             return
         }
         tunnel.startActivation(completionHandler: completionHandler)
@@ -223,7 +223,7 @@ class TunnelsManager {
 
     func startDeactivation(of tunnel: TunnelContainer, completionHandler: @escaping (Error?) -> Void) {
         if (tunnel.status == .inactive) {
-            completionHandler(TunnelsManagerError.attemptingDeactivationWhenTunnelIsInactive)
+            completionHandler(TunnelActivationError.attemptingDeactivationWhenTunnelIsInactive)
             return
         }
         assert(tunnel.index == currentTunnel!.index)
@@ -305,7 +305,7 @@ class TunnelContainer: NSObject {
         guard (endpoints.contains(where: { $0 != nil })) else {
             DispatchQueue.main.async { [weak self] in
                 self?.status = .inactive
-                completionHandler(TunnelsManagerError.noEndpoint)
+                completionHandler(TunnelActivationError.noEndpoint)
             }
             return
         }
@@ -328,7 +328,7 @@ class TunnelContainer: NSObject {
                 s.dnsResolver = nil
                 guard let resolvedEndpoints = resolvedEndpoints else {
                     s.status = .inactive
-                    completionHandler(TunnelsManagerError.dnsResolutionFailed)
+                    completionHandler(TunnelActivationError.dnsResolutionFailed)
                     return
                 }
                 s.startActivation(tunnelConfiguration: tunnelConfiguration,