diff --git a/rest/controllers/query_runner_controller.go b/rest/controllers/query_runner_controller.go
index 261eafa..7fd0a23 100644
--- a/rest/controllers/query_runner_controller.go
+++ b/rest/controllers/query_runner_controller.go
@@ -109,7 +109,7 @@ func TestConnection(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": err.Error()})
 	}
 	if err := services.TestDBConnection(conx); err != nil {
-		return c.Status(fiber.StatusBadGateway).JSON(fiber.Map{"ok": false, "error": err.Error()})
+		return c.Status(fiber.StatusUnprocessableEntity).JSON(fiber.Map{"ok": false, "error": err.Error()})
 	}
 	return c.JSON(fiber.Map{"ok": true})
 }