diff --git a/config.json b/config.json
index 63a04a0..5fc54b2 100644
--- a/config.json
+++ b/config.json
@@ -31,7 +31,7 @@
   "max_num_rows": 64,
   "max_position_embeddings": 1024,
   "model_type": "tapas",
-  no_aggregation_label_index": 0,
+  "no_aggregation_label_index": 0,
   "num_aggregation_labels": 4,
   "num_attention_heads": 16,
   "num_hidden_layers": 24,