diff --git a/src/Transport/Http.php b/src/Transport/Http.php
index be59d49..572d370 100644
--- a/src/Transport/Http.php
+++ b/src/Transport/Http.php
@@ -625,6 +625,11 @@ private function prepareWrite($sql, $bindings = []): CurlerRequest
         }
 
         $query = $this->prepareQuery($sql, $bindings);
+
+        if (strpos($sql, 'CREATE') === 0 || strpos($sql, 'DROP') === 0 || strpos($sql, 'ALTER') === 0) {
+            $query->setFormat('JSON');
+        }
+
         return $this->getRequestWrite($query);
     }