diff --git a/admin/cli/mysql_collation.php b/admin/cli/mysql_collation.php
index ae3c709816b..ba8a49ef7cc 100644
--- a/admin/cli/mysql_collation.php
+++ b/admin/cli/mysql_collation.php
@@ -203,7 +203,7 @@ if (!empty($options['collation'])) {
                 $DB->change_database_structure($sql);
             } else {
                 echo "ERROR (unknown column type: $column->type)\n";
-                $error++;
+                $errors++;
                 continue;
             }
             echo "CONVERTED\n";