diff --git a/utils.inc.php b/utils.inc.php
index f2f477d..3138fe3 100644
--- a/utils.inc.php
+++ b/utils.inc.php
@@ -204,7 +204,7 @@ function createUnixUserWithQuota($user, $quota)
 
 function removeUnixUser($user)
 {
-    exec('deluser --remove-home ' . $user, $output);
+    exec('sleep 2s && deluser --remove-home ' . $user, $output);
     // TODO : handle errors
     return;
 }