diff --git a/conf/snli.yaml b/conf/snli.yaml
index eda5c9dd..ed8f7169 100644
--- a/conf/snli.yaml
+++ b/conf/snli.yaml
@@ -21,3 +21,5 @@ repr_dim: 300
 embedding_format: 'memory_map_dir'
 
 embedding_file: 'data/GloVe/glove.840B.300d.memory_map_dir'
+
+vocab_from_embeddings: True