diff --git a/src/qt/qt_openglrenderer.cpp b/src/qt/qt_openglrenderer.cpp
index 7f8a5e2fa..492acb630 100644
--- a/src/qt/qt_openglrenderer.cpp
+++ b/src/qt/qt_openglrenderer.cpp
@@ -832,6 +832,7 @@ OpenGLRenderer::OpenGLRenderer(QWidget *parent)
     format.setProfile(QSurfaceFormat::OpenGLContextProfile::CoreProfile);
     format.setRenderableType(QSurfaceFormat::OpenGL);
     format.setSwapInterval(video_vsync ? 1 : 0);
+    format.setAlphaBufferSize(0);
 
     setFormat(format);