diff --git a/src/plugins/platforms/wasm/qwasmcompositor.cpp b/src/plugins/platforms/wasm/qwasmcompositor.cpp
index a530cd1f7ae..ebcec4fa360 100644
--- a/src/plugins/platforms/wasm/qwasmcompositor.cpp
+++ b/src/plugins/platforms/wasm/qwasmcompositor.cpp
@@ -65,10 +65,14 @@ QWasmCompositor::~QWasmCompositor()
     if (m_requestAnimationFrameId != -1)
         emscripten_cancel_animation_frame(m_requestAnimationFrameId);
 
-    deregisterEventHandlers();
     destroy();
 }
 
+void QWasmCompositor::onScreenDeleting()
+{
+    deregisterEventHandlers();
+}
+
 void QWasmCompositor::deregisterEventHandlers()
 {
     QByteArray screenElementSelector = screen()->eventTargetId().toUtf8();
diff --git a/src/plugins/platforms/wasm/qwasmcompositor.h b/src/plugins/platforms/wasm/qwasmcompositor.h
index 2c0ab6ae260..4d7773c4ecd 100644
--- a/src/plugins/platforms/wasm/qwasmcompositor.h
+++ b/src/plugins/platforms/wasm/qwasmcompositor.h
@@ -50,6 +50,8 @@ public:
     void raise(QWasmWindow *window);
     void lower(QWasmWindow *window);
 
+    void onScreenDeleting();
+
     QWindow *windowAt(QPoint globalPoint, int padding = 0) const;
     QWindow *keyWindow() const;
 
diff --git a/src/plugins/platforms/wasm/qwasmscreen.cpp b/src/plugins/platforms/wasm/qwasmscreen.cpp
index e50afe652fa..3300449ae46 100644
--- a/src/plugins/platforms/wasm/qwasmscreen.cpp
+++ b/src/plugins/platforms/wasm/qwasmscreen.cpp
@@ -92,8 +92,6 @@ QWasmScreen::QWasmScreen(const emscripten::val &containerOrCanvas)
 
 QWasmScreen::~QWasmScreen()
 {
-    Q_ASSERT(!m_compositor); // deleteScreen should have been called to remove this screen
-
     emscripten::val::module_property("specialHTMLTargets")
             .set(eventTargetId().toStdString(), emscripten::val::undefined());
 
@@ -103,9 +101,7 @@ QWasmScreen::~QWasmScreen()
 
 void QWasmScreen::deleteScreen()
 {
-    // Delete the compositor before removing the screen, since its destruction routine needs to use
-    // the fully operational screen.
-    m_compositor.reset();
+    m_compositor->onScreenDeleting();
     // Deletes |this|!
     QWindowSystemInterface::handleScreenRemoved(this);
 }