diff --git a/scripts/upgrade b/scripts/upgrade
index cd9069f..95ee163 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -94,12 +94,12 @@ chmod 660 "$install_dir/config.local.user.php"
 #=================================================
 ynh_script_progression --message="Finalise upgrade" --weight=1
 
-# remove directory duplicated
-ynh_secure_remove --file="$install_dir/data/data"
-
 ynh_local_curl "/admin/index.php"
 sleep 5
 ynh_local_curl "/index.php"
+sleep 5
+# remove directory duplicated
+ynh_secure_remove --file="$install_dir/data/data"
 
 #=================================================
 # END OF SCRIPT