diff --git a/utils.inc.php b/utils.inc.php
index 561e205..237c212 100644
--- a/utils.inc.php
+++ b/utils.inc.php
@@ -403,11 +403,14 @@ function runUpgrades($sudo, $destDir, $extensions = [])
 {
     $output = '';
     $startDir = getcwd();
+    // on déplace le dossier custom le temps de faire les upgrades pour eviter des erreurs
+    cli('mv '.$destDir.'/custom '.$destDir.'/custom.temp');
     $output .= runMigrations($sudo, $destDir);
     foreach ($extensions as $ext) {
         $output .= '==== Install latest version of extension ' . $ext."\n";
         cli('cd '.$destDir.' && '.$sudo.' ./yeswicli upgrade '.$ext);
     }
+    cli('mv '.$destDir.'/custom.temp '.$destDir.'/custom');
     $output .= cli('cd '.$startDir);
     return $output;
 }