diff --git a/.gitignore b/.gitignore
index 0f7950e3..ed2949d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,7 +6,7 @@ gacl.ini.php
 .settings
 .settings/*
 */templates_c/* 
-img/*
+img/*tif
 display/templates_c/*
 clear_templates_c.sh
 test/*
diff --git a/img/.htaccess b/img/.htaccess
new file mode 100644
index 00000000..27acba1a
--- /dev/null
+++ b/img/.htaccess
@@ -0,0 +1,2 @@
+order deny,all
+deny from all
diff --git a/install/pgsql/alter-2.2-2.3.sql b/install/pgsql/alter-2.2-2.3.sql
index 0f72e811..53117d54 100644
--- a/install/pgsql/alter-2.2-2.3.sql
+++ b/install/pgsql/alter-2.2-2.3.sql
@@ -36,9 +36,6 @@ ALTER table otolithe.piece add column uuid uuid default gen_random_uuid();
 COMMENT ON COLUMN otolithe.photolecture.commentaire IS E'Commentaire sur la lecture';
 -- ddl-end --
 
-ALTER TABLE otolithe.metadatatype ALTER COLUMN is_array SET DEFAULT f;
--- ddl-end --
-
 
 -- [ Created constraints ] --
 -- object: logingestion_pk | type: CONSTRAINT --
diff --git a/install/upgrade-2.2-2.3.0.sh b/install/upgrade-2.2-2.3.0.sh
index 655b8b0b..451785b2 100644
--- a/install/upgrade-2.2-2.3.0.sh
+++ b/install/upgrade-2.2-2.3.0.sh
@@ -27,10 +27,10 @@ cp otolithe/param/param.inc.php $VERSION/param/
 chgrp www-data $VERSION/param/param.inc.php
 
 # keys for tokens
-if [ -e otolithe/param/otolithe ]
+if [ -e otolithe/param/id_otolithe ]
 then
-cp otolithe/param/otolithe* $VERSION/param/
-chown www-data $VERSION/param/otolithe
+cp otolithe/param/id_otolithe* $VERSION/param/
+chown www-data $VERSION/param/id_otolithe
 fi
 
 #replacement of symbolic link
@@ -47,12 +47,13 @@ chmod 750 /var/www/html/otolithe
 
 # assign rights to new folder
 mkdir $VERSION/display/templates_c
+mkdir img/
 chmod -R 750 $VERSION
 chgrp -R www-data $VERSION
 
 # update rights to specific software folders
 chmod -R 770 $VERSION/display/templates_c
-chmod -R 770 $VERSION/temp
+chmod -R 770 $VERSION/img
 # update php.ini file
 PHPVER=`php -v|head -n 1|cut -c 5-7`
 PHPINIFILE="/etc/php/$PHPVER/apache2/php.ini"