diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 1091a2c0..373e4339 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -10,7 +10,7 @@ services:
       - RELAYHOST=smtp-relay.gmail.com
       - RELAYHOST_PORT=587
       - SMTP_USERNAME=sales
-      - SMTP_PASSWORD=S%s'mMZ})MGsg$k!5N|mPSQ>
+      - SMTP_PASSWORD="S%s'mMZ})MGsg$k!5N|mPSQ>"
       - SMTP_TLS_SECURITY_LEVEL=encrypt
       - SMTP_USE_TLS=yes
       - SMTP_USE_STARTTLS=yes