diff --git a/src/effect/effecthandler.cpp b/src/effect/effecthandler.cpp
index 3fb923a7f5..53e8ee5bf5 100644
--- a/src/effect/effecthandler.cpp
+++ b/src/effect/effecthandler.cpp
@@ -1571,14 +1571,18 @@ Output *EffectsHandler::findScreen(int screenId) const
 
 void EffectsHandler::renderScreen(Output *output)
 {
-    RenderTarget renderTarget(GLFramebuffer::currentFramebuffer());
+    Q_ASSERT(effects->isOpenGLCompositing());
 
     RenderLayer layer(output->renderLoop());
     SceneDelegate delegate(m_scene, output);
     delegate.setLayer(&layer);
 
     m_scene->prePaint(&delegate);
+
+    effects->makeOpenGLContextCurrent(); // TODO: doesn't belong here, but there's no better place atm either
+    RenderTarget renderTarget(GLFramebuffer::currentFramebuffer());
     m_scene->paint(renderTarget, output->geometry());
+
     m_scene->postPaint();
 }