diff --git a/src/components/device/DevicePreview.vue b/src/components/device/DevicePreview.vue
index 8a8f280..7f5109d 100644
--- a/src/components/device/DevicePreview.vue
+++ b/src/components/device/DevicePreview.vue
@@ -47,6 +47,7 @@ onMounted(() => {
   console.log(step)
   console.log(anim)
   anim = setInterval(() => {
+    clearInterval(step)
     const target = Math.floor(Math.random() * 127)
     step = setInterval(() => {
       const intVal = Math.floor(value.value)