2 files changed, 10 insertions, 3 deletions
diff --git a/gui/packages/desktop/src/renderer/errors.js b/gui/packages/desktop/src/renderer/errors.js
index 15a7696f18..8651adfb97 100644
--- a/gui/packages/desktop/src/renderer/errors.js
+++ b/gui/packages/desktop/src/renderer/errors.js
@@ -4,7 +4,13 @@ import type { BlockReason } from './lib/daemon-rpc';
 
 export class BlockedError extends Error {
   constructor(reason: BlockReason) {
-    super(reason);
+    switch (reason) {
+      case 'start_tunnel_error':
+        super('Failed to start tunnel connection');
+        break;
+      default:
+        super(`Unknown error: ${(reason: empty)}`);
+    }
   }
 }
 
diff --git a/gui/packages/desktop/src/renderer/lib/daemon-rpc.js b/gui/packages/desktop/src/renderer/lib/daemon-rpc.js
index 1578b04638..38450173fd 100644
--- a/gui/packages/desktop/src/renderer/lib/daemon-rpc.js
+++ b/gui/packages/desktop/src/renderer/lib/daemon-rpc.js
@@ -41,7 +41,7 @@ const LocationSchema = object({
   mullvad_exit_ip: boolean,
 });
 
-export type BlockReason = string;
+export type BlockReason = 'start_tunnel_error';
 export type DisconnectedState = {
   state: 'disconnected',
 };
@@ -218,9 +218,10 @@ const AccountDataSchema = object({
   expiry: string,
 });
 
+const allBlockReasons: Array<BlockReason> = ['start_tunnel_error'];
 const BlockedStateSchema = object({
   state: enumeration('blocked'),
-  details: string,
+  details: enumeration(...allBlockReasons),
 });
 const ConnectedStateSchema = object({ state: enumeration('connected') });
 const ConnectingStateSchema = object({ state: enumeration('connecting') });