diff --git a/src/corelib/kernel/qeventdispatcher_wasm.cpp b/src/corelib/kernel/qeventdispatcher_wasm.cpp
index 3c38ac94eac..e09d0c4242e 100644
--- a/src/corelib/kernel/qeventdispatcher_wasm.cpp
+++ b/src/corelib/kernel/qeventdispatcher_wasm.cpp
@@ -223,8 +223,7 @@ bool QEventDispatcherWasm::processEvents(QEventLoop::ProcessEventsFlags flags)
             handleApplicationExec();
     }
 
-    QCoreApplication::sendPostedEvents();
-    processWindowSystemEvents(flags);
+    processPostedEvents();
 
     if (m_interrupted) {
         m_interrupted = false;
@@ -242,11 +241,6 @@ bool QEventDispatcherWasm::processEvents(QEventLoop::ProcessEventsFlags flags)
     return false;
 }
 
-void QEventDispatcherWasm::processWindowSystemEvents(QEventLoop::ProcessEventsFlags flags)
-{
-    Q_UNUSED(flags);
-}
-
 void QEventDispatcherWasm::registerSocketNotifier(QSocketNotifier *notifier)
 {
     LOCK_GUARD(g_staticDataMutex);
@@ -370,7 +364,7 @@ void QEventDispatcherWasm::wakeUp()
             m_pendingProcessEvents = true;
         }
         runOnMainThreadAsync([this](){
-            QEventDispatcherWasm::callProcessEvents(this);
+            QEventDispatcherWasm::callProcessPostedEvents(this);
         });
     }
 }
@@ -462,7 +456,7 @@ bool QEventDispatcherWasm::wakeEventDispatcherThread()
 
 // Process event activation callbacks for the main thread event dispatcher.
 // Must be called on the main thread.
-void QEventDispatcherWasm::callProcessEvents(void *context)
+void QEventDispatcherWasm::callProcessPostedEvents(void *context)
 {
     Q_ASSERT(emscripten_is_main_runtime_thread());
 
@@ -470,7 +464,7 @@ void QEventDispatcherWasm::callProcessEvents(void *context)
     if (!g_mainThreadEventDispatcher)
         return;
 
-    // In the unlikely event that we get a callProcessEvents() call for
+    // In the unlikely event that we get a callProcessPostedEvents() call for
     // a previous main thread event dispatcher (i.e. the QApplication
     // object was deleted and created again): just ignore it and return.
     if (context != g_mainThreadEventDispatcher)
@@ -480,7 +474,14 @@ void QEventDispatcherWasm::callProcessEvents(void *context)
         LOCK_GUARD(g_mainThreadEventDispatcher->m_mutex);
         g_mainThreadEventDispatcher->m_pendingProcessEvents = false;
     }
-    g_mainThreadEventDispatcher->processEvents(QEventLoop::AllEvents);
+
+    g_mainThreadEventDispatcher->processPostedEvents();
+}
+
+bool QEventDispatcherWasm::processPostedEvents()
+{
+    QCoreApplication::sendPostedEvents();
+    return false;
 }
 
 void QEventDispatcherWasm::processTimers()
diff --git a/src/corelib/kernel/qeventdispatcher_wasm_p.h b/src/corelib/kernel/qeventdispatcher_wasm_p.h
index f253a1a95f6..1a87ad3bb98 100644
--- a/src/corelib/kernel/qeventdispatcher_wasm_p.h
+++ b/src/corelib/kernel/qeventdispatcher_wasm_p.h
@@ -55,7 +55,7 @@ public:
     static void socketSelect(int timeout, int socket, bool waitForRead, bool waitForWrite,
                             bool *selectForRead, bool *selectForWrite, bool *socketDisconnect);
 protected:
-    virtual void processWindowSystemEvents(QEventLoop::ProcessEventsFlags flags);
+    virtual bool processPostedEvents();
 
 private:
     bool isMainThreadEventDispatcher();
@@ -66,7 +66,7 @@ private:
     void handleDialogExec();
     bool wait(int timeout = -1);
     bool wakeEventDispatcherThread();
-    static void callProcessEvents(void *eventDispatcher);
+    static void callProcessPostedEvents(void *eventDispatcher);
 
     void processTimers();
     void updateNativeTimer();
diff --git a/src/plugins/platforms/wasm/qwasmeventdispatcher.cpp b/src/plugins/platforms/wasm/qwasmeventdispatcher.cpp
index 2fd1a304011..cd2cefc14d9 100644
--- a/src/plugins/platforms/wasm/qwasmeventdispatcher.cpp
+++ b/src/plugins/platforms/wasm/qwasmeventdispatcher.cpp
@@ -8,10 +8,11 @@
 QT_BEGIN_NAMESPACE
 
 // Note: All event dispatcher functionality is implemented in QEventDispatcherWasm
-// in QtCore, except for processWindowSystemEvents() below which uses API from QtGui.
-void QWasmEventDispatcher::processWindowSystemEvents(QEventLoop::ProcessEventsFlags flags)
+// in QtCore, except for processPostedEvents() below which uses API from QtGui.
+bool QWasmEventDispatcher::processPostedEvents()
 {
-    QWindowSystemInterface::sendWindowSystemEvents(flags);
+    QEventDispatcherWasm::processPostedEvents();
+    return QWindowSystemInterface::sendWindowSystemEvents(QEventLoop::AllEvents);
 }
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/wasm/qwasmeventdispatcher.h b/src/plugins/platforms/wasm/qwasmeventdispatcher.h
index a28fa7263bc..33d672a57fb 100644
--- a/src/plugins/platforms/wasm/qwasmeventdispatcher.h
+++ b/src/plugins/platforms/wasm/qwasmeventdispatcher.h
@@ -11,7 +11,7 @@ QT_BEGIN_NAMESPACE
 class QWasmEventDispatcher : public QEventDispatcherWasm
 {
 protected:
-    void processWindowSystemEvents(QEventLoop::ProcessEventsFlags flags) override;
+    bool processPostedEvents() override;
 };
 
 QT_END_NAMESPACE