diff --git a/src/osd/modules/render/drawbgfx.h b/src/osd/modules/render/drawbgfx.h
index 7994a20246f..72110ba58bd 100644
--- a/src/osd/modules/render/drawbgfx.h
+++ b/src/osd/modules/render/drawbgfx.h
@@ -75,7 +75,9 @@ public:
 		}
 
 		osd_dim wdim = win->get_size();
-		win->target()->set_bounds(wdim.width(), wdim.height(), win->pixel_aspect());
+		if (wdim.width() > 0 && wdim.height() > 0)
+			win->target()->set_bounds(wdim.width(), wdim.height(), win->pixel_aspect());
+
 		win->target()->set_transform_container(!chain_transform);
 		return &win->target()->get_primitives();
 	}