diff --git a/docker-compose-transformers.yml b/docker-compose-transformers.yml
index 696aa2f11..1d0b3b750 100644
--- a/docker-compose-transformers.yml
+++ b/docker-compose-transformers.yml
@@ -16,5 +16,6 @@ services:
       dockerfile: Dockerfile.transformers
     environment:
       - PORT=5001
+      - NLP_CONF_FILE=presidio_analyzer/conf/transformers.yaml
     ports:
       - "5002:5001"