diff --git a/src/gameConfig.ts b/src/gameConfig.ts
index 30380fb577bec18b7f12d36ca7c82af5268727ae..2993c41380ca4f193dab08c8ce464659ad892e03 100644
--- a/src/gameConfig.ts
+++ b/src/gameConfig.ts
@@ -81,7 +81,7 @@ class ConfigView extends Vue {
             clearInterval(this.intervalId)
             this.config.started = false
         } else {
-            this.intervalId = setInterval(() => {
+            this.intervalId = window.setInterval(() => {
                 let l = getLife()
                 if (l) l.stepGame()
                 render()