diff --git a/examples/borzoi_example_eqtl_chr10_116952944_T_C.ipynb b/examples/borzoi_example_eqtl_chr10_116952944_T_C.ipynb
index cb4bf29..dc17445 100644
--- a/examples/borzoi_example_eqtl_chr10_116952944_T_C.ipynb
+++ b/examples/borzoi_example_eqtl_chr10_116952944_T_C.ipynb
@@ -188,7 +188,7 @@
     "    seqnn_model.build_slice(target_index)\n",
     "    if rc :\n",
     "        seqnn_model.strand_pair.append(slice_pair)\n",
-    "    seqnn_model.build_ensemble(rc, '0')\n",
+    "    seqnn_model.build_ensemble(rc, [0])\n",
     "    \n",
     "    models.append(seqnn_model)\n"
    ]