diff --git a/src/components/RangeSlider/index.vue b/src/components/RangeSlider/index.vue
index 03df2524..9f891a32 100644
--- a/src/components/RangeSlider/index.vue
+++ b/src/components/RangeSlider/index.vue
@@ -245,7 +245,7 @@ const onBlur = () => {
 };
 
 const onExternalClick = (e) => {
-  if (!slider.value.contains(e.target)) {
+  if (!slider.value?.contains(e.target)) {
     onBlur();
   }
 };