diff --git a/src/plugins/platforms/wasm/qwasmwindow.cpp b/src/plugins/platforms/wasm/qwasmwindow.cpp
index 9294bb7ab5..9ee3c37f85 100644
--- a/src/plugins/platforms/wasm/qwasmwindow.cpp
+++ b/src/plugins/platforms/wasm/qwasmwindow.cpp
@@ -187,14 +187,16 @@ void QWasmWindow::initialize()
 {
     QRect rect = windowGeometry();
 
-    constexpr int minSizeBoundForDialogsAndRegularWindows = 100;
     const auto windowFlags = window()->flags();
-    const int systemMinSizeLowerBound = windowFlags.testAnyFlags(Qt::Window | Qt::Dialog)
-            ? minSizeBoundForDialogsAndRegularWindows
-            : 0;
+    const bool shouldRestrictMinSize =
+            !windowFlags.testFlag(Qt::FramelessWindowHint) && !windowIsPopupType(windowFlags);
+    const bool isMinSizeUninitialized = window()->minimumSize() == QSize(0, 0);
 
-    const QSize minimumSize(std::max(windowMinimumSize().width(), systemMinSizeLowerBound),
-                            std::max(windowMinimumSize().height(), systemMinSizeLowerBound));
+    if (shouldRestrictMinSize && isMinSizeUninitialized)
+        window()->setMinimumSize(QSize(minSizeForRegularWindows, minSizeForRegularWindows));
+
+
+    const QSize minimumSize = windowMinimumSize();
     const QSize maximumSize = windowMaximumSize();
     const QSize targetSize = !rect.isEmpty() ? rect.size() : minimumSize;
 
@@ -256,6 +258,8 @@ void QWasmWindow::setGeometry(const QRect &rect)
         QRect result(rect);
         result.moveTop(std::max(std::min(rect.y(), screenGeometry.bottom()),
                                 screenGeometry.y() + margins.top()));
+        result.setSize(
+                result.size().expandedTo(windowMinimumSize()).boundedTo(windowMaximumSize()));
         return result;
     })();
     m_nonClientArea->onClientAreaWidthChange(clientAreaRect.width());
diff --git a/src/plugins/platforms/wasm/qwasmwindow.h b/src/plugins/platforms/wasm/qwasmwindow.h
index c233ef8123..c6a4ba2418 100644
--- a/src/plugins/platforms/wasm/qwasmwindow.h
+++ b/src/plugins/platforms/wasm/qwasmwindow.h
@@ -92,6 +92,7 @@ public:
 
 private:
     friend class QWasmScreen;
+    static constexpr auto minSizeForRegularWindows = 100;
 
     void invalidate();
     bool hasFrame() const;