diff --git a/.env.sample b/.env.sample
index 7630c2a..3e657da 100644
--- a/.env.sample
+++ b/.env.sample
@@ -9,3 +9,5 @@ COMPOSE_FILE="compose.yml"
 # TLS "ask" from filesystem
 #COMPOSE_FILE="$COMPOSE_FILE:compose.ask-filesystem.yml"
 #ASK_VOLUME=fedwiki_data
+#or:
+#ASK_VOLUME_BIND=/opt/fedwiki
diff --git a/compose.ask-filesystem.yml b/compose.ask-filesystem.yml
index b8a7a02..5ec8e62 100644
--- a/compose.ask-filesystem.yml
+++ b/compose.ask-filesystem.yml
@@ -8,7 +8,7 @@ services:
       - DIRECTORY=/data
       - ADDRESS=0.0.0.0
     volumes:
-      - ask_data:/data
+      - "${ASK_VOLUME_BIND:-ask_data}:/data"
     networks:
       - backend
   app: