diff --git a/autotests/test_screen_edges.cpp b/autotests/test_screen_edges.cpp
--- a/autotests/test_screen_edges.cpp
+++ b/autotests/test_screen_edges.cpp
@@ -918,6 +918,9 @@
     setPos(QPoint(0, 50));
     QCOMPARE(s->isEntered(&event), false);
     QVERIFY(approachingSpy.isEmpty());
+    // let's also verify the check
+    s->check(QPoint(0, 50), QDateTime::currentDateTime(), false);
+    QVERIFY(approachingSpy.isEmpty());
 
     s->gestureRecognizer()->startSwipeGesture(QPoint(0, 50));
     QCOMPARE(approachingSpy.count(), 1);
diff --git a/plugins/qpa/window.cpp b/plugins/qpa/window.cpp
--- a/plugins/qpa/window.cpp
+++ b/plugins/qpa/window.cpp
@@ -151,6 +151,9 @@
 void Window::createFBO()
 {
     const QRect &r = geometry();
+    if (m_contentFBO && r.size().isEmpty()) {
+        return;
+    }
     m_contentFBO.reset(new QOpenGLFramebufferObject(r.width(), r.height(), QOpenGLFramebufferObject::CombinedDepthStencil));
     if (!m_contentFBO->isValid()) {
         qCWarning(KWIN_QPA) << "Content FBO is not valid";
diff --git a/screenedge.cpp b/screenedge.cpp
--- a/screenedge.cpp
+++ b/screenedge.cpp
@@ -1339,6 +1339,9 @@
         if (!(*it)->isReserved()) {
             continue;
         }
+        if (!(*it)->activatesForPointer()) {
+            continue;
+        }
         if ((*it)->approachGeometry().contains(pos)) {
             (*it)->startApproaching();
         }