diff --git a/podman-hedgedoc/docker-compose.yml b/podman-hedgedoc/docker-compose.yml
index 0415b7b..51fccb8 100644
--- a/podman-hedgedoc/docker-compose.yml
+++ b/podman-hedgedoc/docker-compose.yml
@@ -19,7 +19,7 @@ services:
     #  - POSTGRES_PASSWORD=
     #  - POSTGRES_DB=hedgedoc
     volumes:
-      - ${dbvolume}:/var/lib/postgresql/data
+      - podman-hedgedoc_database:/var/lib/postgresql/data
     networks:
       backend:
     restart: always
@@ -85,7 +85,7 @@ services:
 #      # Set this to false if your reverse uses the default ports (443 for HTTPS or 80 for HTTP).
 #      - CMD_URL_ADDPORT=true
     volumes:
-      - ${datavolume}:/hedgedoc/public/uploads
+      - podman-hedgedoc_data:/hedgedoc/public/uploads
     ports:
       # Ports that are published to the outside.
       # The latter port is the port inside the container. It should always stay on 3000
@@ -108,5 +108,5 @@ networks:
 # Define named volumes so data stays in place
 volumes:
   # Volume for PostgreSQL/MySQL database
-  ${dbvolume}:
-  ${datavolume}:
+  podman-hedgedoc_database:
+  podman-hedgedoc_data: