diff --git a/conf/nginx.conf b/conf/nginx.conf
index d09ac20..1750d6a 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -9,7 +9,7 @@ location ^~ /.well-known {
   location = /.well-known/carddav     { return 301 __PATH__/remote.php/dav/; }
   location = /.well-known/caldav      { return 301 __PATH__/remote.php/dav/; }
 
-  location = /.well-known/webfinger     { return 301 __PATH__/index.php$uri; }
+  location = /.well-known/webfinger     { return 301 __PATH__/index.php$request_uri; }
   location = /.well-known/nodeinfo      { return 301 __PATH__/index.php$uri; }
 
   # Let Nextcloud's API for `/.well-known` URIs handle all other
diff --git a/scripts/change_url b/scripts/change_url
index 0d8c794..6da4c8d 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -49,6 +49,14 @@ then
 	fi
 fi
 
+#=================================================
+# SETUP SSOWAT
+#=================================================
+ynh_script_progression --message="Configuring permissions..."
+
+# Temporary fix for the API permission
+ynh_permission_url --permission="api" --url="re:$new_domain\/.well-known\/.*" --auth_header="false" --clear_urls
+
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/install b/scripts/install
index 1cb9e81..9d80eaf 100755
--- a/scripts/install
+++ b/scripts/install
@@ -160,10 +160,10 @@ exec_occ ldap:test-config '' \
 # Define a function to add an external storage
 # Create the external storage for the given folders and enable sharing
 create_external_storage() {
-  local datadir="$1"
+  local mount_dir="$1"
   local mount_name="$2"
   local mount_id=`exec_occ files_external:create --output=json \
-      "$mount_name" 'local' 'null::null' -c "datadir=$data_dir/data" || true`
+      "$mount_name" 'local' 'null::null' -c "datadir=$mount_dir" || true`
   ! [[ $mount_id =~ ^[0-9]+$ ]] \
       && ynh_print_warn --message="Unable to create external storage" \
       || exec_occ files_external:option "$mount_id" enable_sharing true
diff --git a/scripts/upgrade b/scripts/upgrade
index 602afe7..cb25391 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -119,7 +119,7 @@ exec_occ() {
     fi
     if ! timeout 1 php$NEXTCLOUD_PHP_VERSION 2>/dev/null; then
         local pkg_dependencies="$(dpkg-query --show --showformat='${Depends}' ${app}-ynh-deps)"
-        pkg_dependencies="${pkg_dependencies/$phpversion/$NEXTCLOUD_PHP_VERSION}"
+        pkg_dependencies="${pkg_dependencies//$phpversion/$NEXTCLOUD_PHP_VERSION}"
         ynh_install_app_dependencies "$pkg_dependencies"
     fi 
 (cd "$install_dir" && ynh_exec_as "$app" \
@@ -129,10 +129,10 @@ exec_occ() {
 # Define a function to add an external storage
 # Create the external storage for the given folders and enable sharing
 create_external_storage() {
-local datadir="$1"
+local mount_dir="$1"
 local mount_name="$2"
 local mount_id=$(exec_occ files_external:create --output=json \
-    "$mount_name" 'local' 'null::null' -c "datadir=$data_dir/data" || true)
+    "$mount_name" 'local' 'null::null' -c "datadir=$mount_dir" || true)
 ! [[ $mount_id =~ ^[0-9]+$ ]] \
     && ynh_print_warn --message="Unable to create external storage" \
     || exec_occ files_external:option "$mount_id" enable_sharing true