diff --git a/src/components/ftbot/ReloadControl.vue b/src/components/ftbot/ReloadControl.vue
index 461790bb..b875684c 100644
--- a/src/components/ftbot/ReloadControl.vue
+++ b/src/components/ftbot/ReloadControl.vue
@@ -14,9 +14,9 @@ import { Action, State } from 'vuex-class';
 
 @Component({})
 export default class ReloadControl extends Vue {
-  refreshInterval: NodeJS.Timer | null = null;
+  refreshInterval: number | null = null;
 
-  refreshIntervalSlow: NodeJS.Timer | null = null;
+  refreshIntervalSlow: number | null = null;
 
   created() {
     if (this.loggedIn) {
@@ -63,13 +63,13 @@ export default class ReloadControl extends Vue {
     console.log('Starting automatic refresh.');
     this.refreshFrequent();
     if (this.autoRefresh) {
-      this.refreshInterval = setInterval(() => {
+      this.refreshInterval = window.setInterval(() => {
         this.refreshFrequent();
       }, 5000);
     }
     this.refreshSlow();
     if (this.autoRefresh) {
-      this.refreshIntervalSlow = setInterval(() => {
+      this.refreshIntervalSlow = window.setInterval(() => {
         this.refreshSlow();
       }, 60000);
     }
@@ -78,10 +78,10 @@ export default class ReloadControl extends Vue {
   stopRefresh() {
     console.log('Stopping automatic refresh.');
     if (this.refreshInterval) {
-      clearInterval(this.refreshInterval);
+      window.clearInterval(this.refreshInterval);
     }
     if (this.refreshIntervalSlow) {
-      clearInterval(this.refreshIntervalSlow);
+      window.clearInterval(this.refreshIntervalSlow);
     }
   }
 
diff --git a/src/components/layout/NavBar.vue b/src/components/layout/NavBar.vue
index c3163c34..1912ccb1 100644
--- a/src/components/layout/NavBar.vue
+++ b/src/components/layout/NavBar.vue
@@ -55,7 +55,7 @@ const layoutNs = namespace('layout');
   components: { LoginModal, BootswatchThemeSelect },
 })
 export default class NavBar extends Vue {
-  pingInterval: NodeJS.Timer | null = null;
+  pingInterval: number | null = null;
 
   @State loggedIn!: boolean;
 
@@ -71,7 +71,7 @@ export default class NavBar extends Vue {
 
   mounted() {
     this.ping();
-    this.pingInterval = setInterval(this.ping, 60000);
+    this.pingInterval = window.setInterval(this.ping, 60000);
   }
 
   beforeDestroy() {