diff --git a/docker-compose.yaml b/docker-compose.yaml
index c1e2cef..852e6f5 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -424,6 +424,8 @@ services:
       # Authentifizierung für WebUI
       WEBAPP_SECURITY_AUTH_BASIC_USERNAME: psiadmin
       WEBAPP_SECURITY_AUTH_BASIC_PASSWORD: "$$2y$$10$$LA.TjBKRIDM/c6AJ86BZ/elpa9InzVbzqzLsyfc1Wt7h3S3N8MUPm"
+      CLASSPATH: "/application/lib/sapjco3.jar"
+
     networks:
       - backend
   banf-fetcher-test: