diff --git a/autotests/client/test_wayland_surface.cpp b/autotests/client/test_wayland_surface.cpp
--- a/autotests/client/test_wayland_surface.cpp
+++ b/autotests/client/test_wayland_surface.cpp
@@ -178,6 +178,8 @@
     QSignalSpy serverSurfaceCreated(m_compositorInterface, SIGNAL(surfaceCreated(KWayland::Server::SurfaceInterface*)));
     QVERIFY(serverSurfaceCreated.isValid());
 
+    QVERIFY(!KWayland::Server::SurfaceInterface::get(nullptr));
+    QVERIFY(!KWayland::Server::SurfaceInterface::get(1, nullptr));
     QVERIFY(KWayland::Client::Surface::all().isEmpty());
     KWayland::Client::Surface *s1 = m_compositor->createSurface();
     QVERIFY(s1->isValid());
@@ -226,6 +228,11 @@
     delete s1;
     QVERIFY(KWayland::Client::Surface::all().isEmpty());
     QVERIFY(!KWayland::Client::Surface::get(nullptr));
+    QSignalSpy unboundSpy(serverSurface1, &KWayland::Server::Resource::unbound);
+    QVERIFY(unboundSpy.isValid());
+    QVERIFY(unboundSpy.wait());
+    QVERIFY(!KWayland::Server::SurfaceInterface::get(nullptr));
+    QVERIFY(!KWayland::Server::SurfaceInterface::get(1, nullptr));
 }
 
 void TestWaylandSurface::testDamage()
diff --git a/src/server/resource_p.h b/src/server/resource_p.h
--- a/src/server/resource_p.h
+++ b/src/server/resource_p.h
@@ -44,6 +44,9 @@
     static ResourceDerived *get(wl_resource *native) {
         static_assert(std::is_base_of<Resource, ResourceDerived>::value,
                       "ResourceDerived must be derived from Resource");
+        if (!native) {
+            return nullptr;
+        }
         auto it = std::find_if(s_allResources.constBegin(), s_allResources.constEnd(),
             [native](Private *p) {
                 return p->resource == native;