diff --git a/Dockerfile b/Dockerfile
index fb93e64..96c04a3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -58,6 +58,5 @@ LABEL PART="WEB-SERVER"
 RUN pip install --find-links=dist aki-prj23-transparenzregister[web-server] --no-cache-dir && \
     rm dist/ -R
 
-ENV DASH_URL_BASE_PATHNAME="/transparenzregister/"
 ENTRYPOINT ["webserver", "ENV"]
 CMD ["--level", "DEBUG"]
diff --git a/docker-compose.yml b/docker-compose.yml
index d190528..8253f5f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -76,5 +76,6 @@ services:
       PYTHON_POSTGRES_PORT: ${PYTHON_POSTGRES_PORT:-5432}
       PYTHON_DASH_LOGIN_PW: ${PYTHON_DASH_LOGIN_PW}
       PYTHON_DASH_LOGIN_USERNAME: ${PYTHON_DASH_LOGIN_USERNAME}
+      DASH_URL_BASE_PATHNAME: /transparenzregister/
       PORT: ${HTTP_PORT}
       HOST: 0.0.0.0