diff --git a/selfdrive/ui/qt/util.cc b/selfdrive/ui/qt/util.cc
index 72bc07f27..458d0be2f 100644
--- a/selfdrive/ui/qt/util.cc
+++ b/selfdrive/ui/qt/util.cc
@@ -96,6 +96,7 @@ void setQtSurfaceFormat() {
   fmt.setRenderableType(QSurfaceFormat::OpenGLES);
 #endif
   fmt.setSamples(16);
+  fmt.setStencilBufferSize(1);
   QSurfaceFormat::setDefaultFormat(fmt);
 }