diff --git a/src/apis/Dimensions/index.js b/src/apis/Dimensions/index.js
index 715a2a0b..54b7a905 100644
--- a/src/apis/Dimensions/index.js
+++ b/src/apis/Dimensions/index.js
@@ -17,9 +17,9 @@ const dimensions = {
   },
   window: {
     fontScale: 1,
-    get height() { return document.documentElement.clientHeight },
+    get height() { return window.innerHeight },
     scale: window.devicePixelRatio || 1,
-    get width() { return document.documentElement.clientWidth }
+    get width() { return window.innerWidth }
   }
 }