diff --git a/autotests/integration/debug_console_test.cpp b/autotests/integration/debug_console_test.cpp
--- a/autotests/integration/debug_console_test.cpp
+++ b/autotests/integration/debug_console_test.cpp
@@ -522,9 +522,7 @@
     QCOMPARE(c->internalWindow(), console->windowHandle());
     QVERIFY(c->isDecorated());
     c->closeWindow();
-    QEXPECT_FAIL("", "BUG 369858", Continue);
     QVERIFY(destroyedSpy.wait());
-    QCOMPARE(console->windowHandle()->isVisible(), false);
 }
 
 }
diff --git a/debug_console.h b/debug_console.h
--- a/debug_console.h
+++ b/debug_console.h
@@ -101,6 +101,9 @@
     DebugConsole();
     virtual ~DebugConsole();
 
+protected:
+    void showEvent(QShowEvent *event) override;
+
 private:
     void initGLTab();
 
diff --git a/debug_console.cpp b/debug_console.cpp
--- a/debug_console.cpp
+++ b/debug_console.cpp
@@ -536,6 +536,22 @@
     m_ui->openGLExtensionsLabel->setText(extensionsString(openGLExtensions()));
 }
 
+void DebugConsole::showEvent(QShowEvent *event)
+{
+    QWidget::showEvent(event);
+
+    // delay the connection to the show event as in ctor the windowHandle returns null
+    connect(windowHandle(), &QWindow::visibleChanged, this,
+        [this] (bool visible) {
+            if (visible) {
+                // ignore
+                return;
+            }
+            deleteLater();
+        }
+    );
+}
+
 DebugConsoleDelegate::DebugConsoleDelegate(QObject *parent)
     : QStyledItemDelegate(parent)
 {