diff --git "a/docker/\tdocker-compose-calibre_web.yaml" "b/docker/\tdocker-compose-calibre_web.yaml"
index bb4598b..2e138ec 100644
--- "a/docker/\tdocker-compose-calibre_web.yaml"
+++ "b/docker/\tdocker-compose-calibre_web.yaml"
@@ -13,7 +13,7 @@ services:
       - ${FOLDER_FOR_DATA:?err}/calibre-web/data:/config
       - ${FOLDER_FOR_MEDIA:?err}/media/media/books:/books
     ports:
-      - "${WEBUI_PORT_CAIBRE_WEB:?err}:8083"
+      - "${WEBUI_PORT_CALIBRE_WEB:?err}:8083"
     restart: unless-stopped