diff --git a/README.md b/README.md
index 67c648e..38af1db 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,9 @@ LimeSurvey requires an external database (MySQL, PostgreSQL) to run. See *docker
 
 To preserve the uploaded files assign the upload folder into a volume. See *docker-compose.yml* for example.
 
-Path: */var/www/html/upload/*
+Path: */var/www/html/upload/surveys*
+
+**Hint**: The mounted directory must be owned by the webserver user (e.g. www-data)
 
 # LimeSurvey Configuration
 
diff --git a/docker-compose.fpm.alpine.yml b/docker-compose.fpm.alpine.yml
index 1f64159..7a7c6e2 100644
--- a/docker-compose.fpm.alpine.yml
+++ b/docker-compose.fpm.alpine.yml
@@ -5,7 +5,7 @@ services:
       context: fpm-alpine/
       dockerfile: Dockerfile
     volumes:
-      - /tmp/upload/:/var/www/html/upload/
+      - /tmp/upload/surveys:/var/www/html/upload/surveys
       - lime:/var/www/html
     links:
       - lime-db
diff --git a/docker-compose.fpm.yml b/docker-compose.fpm.yml
index c3e78bc..7dded99 100644
--- a/docker-compose.fpm.yml
+++ b/docker-compose.fpm.yml
@@ -5,7 +5,7 @@ services:
       context: fpm/
       dockerfile: Dockerfile
     volumes:
-      - /tmp/upload/:/var/www/html/upload/
+      - /tmp/upload/surveys:/var/www/html/upload/surveys
       - lime:/var/www/html
     links:
       - lime-db
diff --git a/docker-compose.pgsql.yml b/docker-compose.pgsql.yml
index cb70c55..0ca7ad9 100644
--- a/docker-compose.pgsql.yml
+++ b/docker-compose.pgsql.yml
@@ -5,7 +5,7 @@ services:
       context: apache/
       dockerfile: Dockerfile
     volumes:
-      - /tmp/upload/:/var/www/html/upload/
+      - /tmp/upload/surveys:/var/www/html/upload/surveys
     links:
       - lime-db
     depends_on:
diff --git a/docker-compose.yml b/docker-compose.yml
index ee6bcf0..e606fcd 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
       context: apache/
       dockerfile: Dockerfile
     volumes:
-      - /tmp/upload/:/var/www/html/upload/
+      - /tmp/upload/surveys:/var/www/html/upload/surveys
     links:
       - lime-db
     depends_on: