diff --git a/app/state/AppState.ts b/app/state/AppState.ts
index c770e03..f74049b 100644
--- a/app/state/AppState.ts
+++ b/app/state/AppState.ts
@@ -1,10 +1,12 @@
-import { WebSocketRpcClient } from "@app/sprinklersRpc/websocketClient";
-import HttpApi from "@app/state/HttpApi";
-import { UiStore } from "@app/state/UiStore";
 import { createBrowserHistory, History } from "history";
 import { computed } from "mobx";
 import { RouterStore, syncHistoryWithStore } from "mobx-react-router";
 
+import { WebSocketRpcClient } from "@app/sprinklersRpc/websocketClient";
+import HttpApi from "@app/state/HttpApi";
+import { UiStore } from "@app/state/UiStore";
+import log from "@common/logger";
+
 const isDev = process.env.NODE_ENV === "development";
 const websocketPort = isDev ? 8080 : location.port;
 
@@ -28,7 +30,13 @@ export default class AppState {
 
         if (!this.httpApi.tokenStore.accessToken.isValid) {
             if (this.httpApi.tokenStore.refreshToken.isValid) {
-                await this.httpApi.tokenStore.grantRefresh();
+                try {
+                    await this.httpApi.tokenStore.grantRefresh();
+                } catch (err) {
+                    log.warn({ err }, "could not refresh access token. erasing token");
+                    this.tokenStore.clear();
+                    this.history.push("/login");
+                }
             } else {
                 this.history.push("/login");
             }