--- a/src/backends/wayland/wayland_backend.cpp
+++ b/src/backends/wayland/wayland_backend.cpp
@@ -455,6 +455,19 @@
 
     if (WaylandClient::LinuxDmabufV1 *dmabuf = m_display->linuxDmabuf()) {
         m_renderDevice = GpuManager::self()->compatibleRenderDevice(dmabuf->mainDevice());
+        if (!m_renderDevice && qEnvironmentVariableIsSet("DROIDDECK_NESTED_SCALE")) {
+            const auto nodes = GpuManager::splitPathList(qEnvironmentVariable("KWIN_RENDER_NODES"));
+            const auto &devices = GpuManager::self()->renderDevices();
+            if (nodes.size() == 1) {
+                for (const auto &device : devices) {
+                    if (device->path() == nodes.constFirst()) {
+                        m_renderDevice = device.get();
+                        qCWarning(KWIN_WAYLAND_BACKEND) << "Using explicitly selected nested render node" << m_renderDevice->path();
+                        break;
+                    }
+                }
+            }
+        }
     }
 
     createOutputs();