diff --git a/signaturepdf/docker-compose.yml b/signaturepdf/docker-compose.yml
index c98fd46..807b7ce 100644
--- a/signaturepdf/docker-compose.yml
+++ b/signaturepdf/docker-compose.yml
@@ -20,3 +20,4 @@ services:
       DISABLE_ORGANIZATION: ${DISABLE_ORGANIZATION}
       PDF_DEMO_LINK: ${PDF_DEMO_LINK}
       DEFAULT_LANGUAGE: ${DEFAULT_LANGUAGE:-fr_FR.UTF-8}
+      PDF_STORAGE_ENCRYPTION: ${PDF_STORAGE_ENCRYPTION:-true}