diff --git a/extensions/iframe.js b/extensions/iframe.js
index ce87728a2c..0c312d571e 100644
--- a/extensions/iframe.js
+++ b/extensions/iframe.js
@@ -79,8 +79,12 @@
       iframe.style.height = `${(effectiveHeight / stageHeight) * 100}%`;
 
       iframe.style.transform = "";
-      iframe.style.top = `${(0.5 - effectiveHeight / 2 / stageHeight) * 100}%`;
-      iframe.style.left = `${(0.5 - effectiveWidth / 2 / stageWidth) * 100}%`;
+      iframe.style.top = `${
+        (0.5 - effectiveHeight / 2 / stageHeight - y / stageHeight) * 100
+      }%`;
+      iframe.style.left = `${
+        (0.5 - effectiveWidth / 2 / stageWidth + x / stageWidth) * 100
+      }%`;
     }
   };