diff --git a/backup/Dockerfile b/backup/Dockerfile
index 713ded3..938798a 100644
--- a/backup/Dockerfile
+++ b/backup/Dockerfile
@@ -20,7 +20,7 @@ WORKDIR /root
 
 ARG DBPASSFILE
 
-COPY ./ ./backup
+COPY ./backup ./backup
 COPY ${DBPASSFILE} ./.pgpass
 
 RUN pip3 install -qr ./backup/requirements.txt --break-system-packages
diff --git a/docker-compose.yml b/docker-compose.yml
index 47f4553..72cba2e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,7 +19,8 @@ services:
 
   backup:
     build:
-      context: ./backup
+      context: ./
+      dockerfile: ./backup/Dockerfile
       args:
         - DBPASSFILE=${DBPASSFILE}
     restart: always