diff --git a/WINGs/wrender_wl.c b/WINGs/wrender_wl.c
index ee0d582..0bd7d84 100644
--- a/WINGs/wrender_wl.c
+++ b/WINGs/wrender_wl.c
@@ -166,7 +166,7 @@ render_wl_fill_rect(void *rctx, WMDrawable d, WMColor *color,
     (void)rctx;
     pixman_image_t *dst = resolve_drawable(d); if (!dst) return;
     pixman_color_t pc = wm_color_to_pixman(color);
-    pixman_image_fill_rectangles(PIXMAN_OP_OVER, dst, &pc, 1,
+    pixman_image_fill_rectangles(PIXMAN_OP_SRC, dst, &pc, 1,
         &(pixman_rectangle16_t){x, y, w, h});
     /* Outside a full redisplay cycle, propagate dirty region up the
      * view tree and commit the toplevel so the change becomes visible