diff --git a/src/effect/offscreenquickview.cpp b/src/effect/offscreenquickview.cpp
index 51920e8417..e9ef560e93 100644
--- a/src/effect/offscreenquickview.cpp
+++ b/src/effect/offscreenquickview.cpp
@@ -220,7 +220,7 @@ void OffscreenQuickView::update()
 
             QOpenGLFramebufferObjectFormat fboFormat;
             fboFormat.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
-            fboFormat.setInternalTextureFormat(d->m_hasAlphaChannel ? GL_RGBA8 : GL_RGB8);
+            fboFormat.setInternalTextureFormat(GL_RGBA8);
 
             d->m_fbo = std::make_unique<QOpenGLFramebufferObject>(nativeSize, fboFormat);
             if (!d->m_fbo->isValid()) {