diff --git a/cinera/cinera_pre.js b/cinera/cinera_pre.js
index 7eda733..5fc36ab 100644
--- a/cinera/cinera_pre.js
+++ b/cinera/cinera_pre.js
@@ -57,8 +57,8 @@ GetRealOrientation(PreferredLandscape, IsMobile)
     }
     else
     {
-        WindowDim.X = document.body.clientWidth;
-        WindowDim.Y = document.body.clientHeight;
+        WindowDim.X = window.innerWidth;
+        WindowDim.Y = window.innerHeight;
     }
     if(WindowDim.Y > WindowDim.X)
     {
diff --git a/cinera/cinera_search_pre.js b/cinera/cinera_search_pre.js
index 29dd079..cf99c05 100644
--- a/cinera/cinera_search_pre.js
+++ b/cinera/cinera_search_pre.js
@@ -2940,8 +2940,8 @@ ComputeOptimalGridSize()
     }
     else
     {
-        WindowDim.X = document.body.clientWidth;
-        WindowDim.Y = document.body.clientHeight;
+        WindowDim.X = window.innerWidth;
+        WindowDim.Y = window.innerHeight;
     }
     var DimReduction = {
         X: 0,