diff --git a/scripts/install b/scripts/install
index c36b120..8306846 100755
--- a/scripts/install
+++ b/scripts/install
@@ -305,13 +305,15 @@ ynh_multimedia_addaccess $app
 #=================================================
 
 # Fix app ownerships & permissions
-chown -R $app: "$final_path" "$datadir"
+chown -R $app:www-data "$final_path"
+chown -R $app: "$datadir"
 find $final_path/ -type f -print0 | xargs -0 chmod 0644
 find $final_path/ -type d -print0 | xargs -0 chmod 0755
 find $datadir/ -type f -print0 | xargs -0 chmod 0640
 find $datadir/ -type d -print0 | xargs -0 chmod 0750
 chmod 640 "$final_path/config/config.php"
 chmod 755 /home/yunohost.app
+chmod 750 $final_path
 
 #=================================================
 # SETUP LOGROTATE
diff --git a/scripts/restore b/scripts/restore
index 0449f5b..a3067d4 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -131,13 +131,15 @@ mkdir -p "$datadir"
 #=================================================
 
 # Fix app ownerships & permissions
-chown -R $app: "$final_path" "$datadir"
+chown -R $app:www-data "$final_path"
+chown -R $app: "$datadir"
 find $final_path/ -type f -print0 | xargs -0 chmod 0644
 find $final_path/ -type d -print0 | xargs -0 chmod 0755
 find $datadir/ -type f -print0 | xargs -0 chmod 0640
 find $datadir/ -type d -print0 | xargs -0 chmod 0750
 chmod 640 "$final_path/config/config.php"
 chmod 755 /home/yunohost.app
+chmod 750 $final_path
 
 # Iterate over users to extend their home folder permissions - for the external
 # storage plugin usage - and create relevant Nextcloud directories
diff --git a/scripts/upgrade b/scripts/upgrade
index 8968143..8dfdcea 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -424,13 +424,15 @@ exec_occ background:cron
 #=================================================
 
 # Fix app ownerships & permissions
-chown -R $app: "$final_path" "$datadir"
+chown -R $app:www-data "$final_path"
+chown -R $app: "$datadir"
 find $final_path/ -type f -print0 | xargs -0 chmod 0644
 find $final_path/ -type d -print0 | xargs -0 chmod 0755
 find $datadir/ -type f -print0 | xargs -0 chmod 0640
 find $datadir/ -type d -print0 | xargs -0 chmod 0750
 chmod 640 "$final_path/config/config.php"
 chmod 755 /home/yunohost.app
+chmod 750 $final_path
 
 #=================================================
 # WARNING ABOUT THIRD-PARTY APPS