diff --git a/nextcloud/README.md b/nextcloud/README.md
index d0ec693a1..8db994d73 100644
--- a/nextcloud/README.md
+++ b/nextcloud/README.md
@@ -37,6 +37,7 @@ PGID/PUID : 1000 #allows setting user.
 trusted_domains : your-domain.com #allows to select the trusted domains. Domains not in this lis will be removed, except for the first one used in the initial configuration.
 OCR : false #set to true to install tesseract-ocr capability.
 OCRLANG : fra,eng #Any language can be set from this page (always three letters) [here](https://tesseract-ocr.github.io/tessdoc/Data-Files#data-files-for-version-400-november-29-2016).
+data_directory: path for the main data directory. Defaults to `/share/nextcloud`.
 use_own_certs : true/false #if true, use the certfile and keyfile specified
 certfile: fullchain.pem #ssl certificate, must be located in /ssl
 keyfile: privkey.pem #sslkeyfile, must be located in /ssl
diff --git a/nextcloud/config.json b/nextcloud/config.json
index 44024f9ec..48b4b6036 100644
--- a/nextcloud/config.json
+++ b/nextcloud/config.json
@@ -25,6 +25,7 @@
     "use_own_certs": false,
     "certfile": "fullchain.pem",
     "keyfile": "privkey.pem",
+    "data_directory": "/share/nextcloud",
     "trusted_domains": "your-domain, your-domain2",
     "OCR": false,
     "OCRLANG": "fra",
@@ -38,6 +39,7 @@
     "use_own_certs": "bool",
     "certfile": "str",
     "keyfile": "str",
+    "data_directory": "str",
     "OCR": "bool?",
     "OCRLANG": "str?",
     "Full_Text_Search": "bool?",
diff --git a/nextcloud/rootfs/defaults/config.php b/nextcloud/rootfs/defaults/config.php
index 367cad15d..9a534907c 100644
--- a/nextcloud/rootfs/defaults/config.php
+++ b/nextcloud/rootfs/defaults/config.php
@@ -1,6 +1,6 @@
 <?php
 $CONFIG = array (
   'memcache.local' => '\OC\Memcache\APCu',
-  'datadirectory' => '/share/nextcloud',
+  'datadirectory' => '%%datadirectory%%',
   );
 
diff --git a/nextcloud/rootfs/etc/cont-init.d/60-memcache.sh b/nextcloud/rootfs/etc/cont-init.d/60-memcache.sh
index 0307c088d..a2ac0edc2 100644
--- a/nextcloud/rootfs/etc/cont-init.d/60-memcache.sh
+++ b/nextcloud/rootfs/etc/cont-init.d/60-memcache.sh
@@ -1,5 +1,9 @@
 #!/usr/bin/with-contenv bash
 
+# Change data directory
+datadirectory=$(bashio::config 'data_directory')
+sed -i "s/%%datadirectory%%/${datadirectory}/g" /defaults/config.php
+
 # copy config
 [[ ! -f /data/config/www/nextcloud/config/config.php ]] && \
 	cp /defaults/config.php /data/config/www/nextcloud/config/config.php