diff --git a/src/plugins/platforms/wasm/qwasmscreen.cpp b/src/plugins/platforms/wasm/qwasmscreen.cpp
index e536bc0ee3..37f1ea832a 100644
--- a/src/plugins/platforms/wasm/qwasmscreen.cpp
+++ b/src/plugins/platforms/wasm/qwasmscreen.cpp
@@ -186,8 +186,12 @@ void QWasmScreen::updateQScreenAndCanvasRenderSize()
     canvas.set("width", canvasSize.width());
     canvas.set("height", canvasSize.height());
 
+    QPoint offset;
+    offset.setX(emscripten::val::global(canvasId.constData())["offsetTop"].as<int>());
+    offset.setY(emscripten::val::global(canvasId.constData())["offsetLeft"].as<int>());
+
     emscripten::val rect = canvas.call<emscripten::val>("getBoundingClientRect");
-    QPoint position(rect["left"].as<int>(), rect["top"].as<int>());
+    QPoint position(rect["left"].as<int>() - offset.x(), rect["top"].as<int>() - offset.y());
 
     setGeometry(QRect(position, cssSize.toSize()));
     m_compositor->redrawWindowContent();