diff --git a/docker-compose.yml b/docker-compose.yml
index e2101ce..ceb04db 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -23,5 +23,6 @@ services:
       # - PAPERLESS_POST_DOCUMENT_URL=http://<paperless-host>:<port>/api/documents/post_document/
       # - PAPERLESS_TOKEN= xxxxxxxxxxxx...
       - RESOLUTION=300
+      - ADD_EMULATED_DUPLEX=true
     volumes:
       - /var/lib/docker/volumes/scan:/scan
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