diff --git a/src/modules/property.js b/src/modules/property.js
index f452abb..2d50021 100644
--- a/src/modules/property.js
+++ b/src/modules/property.js
@@ -396,7 +396,7 @@ class Property {
             localStorage.setItem(key, JSON.stringify(merged))
             return merged
         }
-        if (Number.isNumber(cloud)) {
+        if (typeof cloud === 'number') {
             const merged = Math.max(cloud, local)
             localStorage.setItem(key, JSON.stringify(merged))
             return merged