diff --git a/examples/user_guide/15-Large_Data.ipynb b/examples/user_guide/15-Large_Data.ipynb
index 8154f6240f..94b62a3f78 100644
--- a/examples/user_guide/15-Large_Data.ipynb
+++ b/examples/user_guide/15-Large_Data.ipynb
@@ -423,7 +423,7 @@
     "c = dynspread(datashade(hv.NdOverlay(gaussians, kdims='k'), aggregator=ds.by('k', ds.count())))\n",
     "m = dynspread(datashade(hv.NdOverlay(gaussians, kdims='k'), aggregator=ds.by('k', ds.mean(\"i\"))))\n",
     "\n",
-    "(c + m).opts(opts.RGB(width=400))"
+    "c.opts(width=400) + m.opts(width=400)"
    ]
   },
   {