diff --git a/scripts/upgrade b/scripts/upgrade
index 1c2a8a2..c0b1a6b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -85,7 +85,7 @@ if [ ! -f "$data_dir/data/config.local.user.php" ]; then
  */
 require '$data_dir/data/config.local.user.php';" >> $install_dir/config.local.php
 else
-	ynh_replace_string --match_string="require '$data_dir/data/config.local.user.php';" --replace_string="//require '$data_dir/data/config.local.user.php';" --target_file="$install_dir/config.local.php"
+	ynh_replace_string --match_string="//require '$data_dir/data/config.local.user.php';" --replace_string="require '$data_dir/data/config.local.user.php';" --target_file="$install_dir/config.local.php"
 fi
 
 #=================================================