diff --git a/src/services/airport.ts b/src/services/airport.ts
index e379ea0..2e7943c 100644
--- a/src/services/airport.ts
+++ b/src/services/airport.ts
@@ -31,7 +31,7 @@ export class Airport {
       })
       .catch((err) => {
         return {
-          status: err.status === 401 ? BackendReturnStatus.Unauthorized : BackendReturnStatus.Failure,
+          status: err.response.status === 401 ? BackendReturnStatus.Unauthorized : BackendReturnStatus.Failure,
           airports: [],
         };
       });
diff --git a/src/services/auth.ts b/src/services/auth.ts
index dd9020a..0c8b9e9 100644
--- a/src/services/auth.ts
+++ b/src/services/auth.ts
@@ -21,7 +21,7 @@ export class Auth {
       })
       .then(() => BackendReturnStatus.Ok)
       .catch((err) => {
-        if (err.status === 401) return BackendReturnStatus.Unauthorized;
+        if (err.response.status === 401) return BackendReturnStatus.Unauthorized;
         return BackendReturnStatus.Failure;
       });
   }
@@ -49,23 +49,25 @@ export class Auth {
       })
       .catch((err) => {
         return {
-          status: err.status === 401 ? BackendReturnStatus.Unauthorized : BackendReturnStatus.Failure,
+          status: err.response.status === 401 ? BackendReturnStatus.Unauthorized : BackendReturnStatus.Failure,
           user: DefaultUser,
         };
       });
   }
 
-  static async refreshRadarScopeKey(): Promise<boolean> {
+  static async refreshRadarScopeKey(): Promise<BackendReturnStatus> {
     const token = Session.bearerToken();
-    if (!token) return false;
+    if (!token) return BackendReturnStatus.Unauthorized;
 
     return axios
-      .get<void>(`${Configuration.resourceServer}/auth/refreshRadarScopeKey`, {
+      .patch<void>(`${Configuration.resourceServer}/auth/refreshRadarScopeKey`, {
         headers: {
           Authorization: `Bearer ${token}`,
         },
       })
-      .then(() => true)
-      .catch(() => false);
+      .then(() => BackendReturnStatus.Ok)
+      .catch((err) => {
+        return err.response.status === 401 ? BackendReturnStatus.Unauthorized : BackendReturnStatus.Failure;
+      });
   }
 }
diff --git a/src/services/system.ts b/src/services/system.ts
index 57d01a8..7c8235f 100644
--- a/src/services/system.ts
+++ b/src/services/system.ts
@@ -1,11 +1,17 @@
 import axios from 'axios';
 import { Configuration } from './configuration';
 import { Session } from './session';
+import { BackendReturnStatus, TimestampBackend } from '../types';
 
 export class System {
-  static async timestamp(): Promise<number> {
+  static async timestamp(): Promise<TimestampBackend> {
     const token = Session.bearerToken();
-    if (!token) return 0;
+    if (!token) {
+      return {
+        status: BackendReturnStatus.Unauthorized,
+        timestamp: 0,
+      };
+    }
 
     return axios
       .get<number>(`${Configuration.resourceServer}/system/timestamp`, {
@@ -13,7 +19,17 @@ export class System {
           Authorization: `Bearer ${token}`,
         },
       })
-      .then((response) => response.data)
-      .catch(() => 0);
+      .then((response) => {
+        return {
+          status: BackendReturnStatus.Ok,
+          timestamp: response.data,
+        };
+      })
+      .catch((err) => {
+        return {
+          status: err.response.status === 401 ? BackendReturnStatus.Unauthorized : BackendReturnStatus.Failure,
+          timestamp: 0,
+        };
+      });
   }
 }
diff --git a/src/types/index.ts b/src/types/index.ts
index d00ebb3..b481151 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -40,3 +40,8 @@ export interface IAuthState {
   valid: boolean,
   user: User,
 };
+
+export interface TimestampBackend {
+  status: BackendReturnStatus;
+  timestamp: number;
+};