diff --git a/config.json b/config.json
index 7548707..a059af4 100644
--- a/config.json
+++ b/config.json
@@ -130,6 +130,7 @@
     "num_attention_heads": 12,
     "num_beam_groups": 1,
     "num_beams": 1,
+    "num_channels": 3,
     "num_hidden_layers": 12,
     "num_return_sequences": 1,
     "output_attentions": false,