diff --git a/extensions/flags/migrations/2019_10_22_000000_change_reason_text_col_type.php b/extensions/flags/migrations/2019_10_22_000000_change_reason_text_col_type.php
index 6059b8f28..5b1af104a 100644
--- a/extensions/flags/migrations/2019_10_22_000000_change_reason_text_col_type.php
+++ b/extensions/flags/migrations/2019_10_22_000000_change_reason_text_col_type.php
@@ -19,7 +19,7 @@ return [
 
     'down' => function (Builder $schema) {
         $schema->table('flags', function (Blueprint $table) {
-            $table->string(['reason_detail'])->change();
+            $table->string('reason_detail')->change();
         });
     }
 ];