diff --git a/mu-plugins/carhop-post-types.php b/mu-plugins/carhop-post-types.php
index 2b48475..dadeef4 100644
--- a/mu-plugins/carhop-post-types.php
+++ b/mu-plugins/carhop-post-types.php
@@ -80,7 +80,7 @@ function carhop_create_posttype()
'has_archive' => true,
'rewrite' => array('slug' => 'analyses-etudes'),
'show_in_rest' => true,
- 'menu_icon' => 'data:image/svg+xml;base64,' . base64_encode(string: ''),
+ 'menu_icon' => 'data:image/svg+xml;base64,' . base64_encode(''),
'menu_position' => 4,
'supports' => array('title', 'custom-fields'),
'taxonomies' => array('type'),
@@ -143,7 +143,7 @@ function carhop_create_posttype()
'public' => true,
'has_archive' => true,
'rewrite' => array('slug' => 'expositions'),
- 'menu_icon' => 'data:image/svg+xml;base64,' . base64_encode(string: ''),
+ 'menu_icon' => 'data:image/svg+xml;base64,' . base64_encode(''),
'show_in_rest' => true,
'supports' => array('title', 'custom-fields', 'editor'),
'menu_position' => 4,
@@ -161,7 +161,7 @@ function carhop_create_posttype()
'public' => true,
'has_archive' => true,
'rewrite' => array('slug' => 'outils-pedagogiques'),
- 'menu_icon' => 'data:image/svg+xml;base64,' . base64_encode(string: ''),
+ 'menu_icon' => 'data:image/svg+xml;base64,' . base64_encode(''),
'show_in_rest' => true,
'supports' => array('title', 'custom-fields', 'editor'),
'menu_position' => 4,