diff --git a/pykson/__init__.py b/pykson/__init__.py
index 6df16e9..79e7426 100644
--- a/pykson/__init__.py
+++ b/pykson/__init__.py
@@ -725,6 +725,8 @@ def __init__(self, accept_unknown: bool = False, extra_attributes: Optional[List
         # Empty init will be replaced by meta class
         super(JsonObject, self).__init__()
 
+    def __str__(self):
+        return json.dumps(json.loads(Pykson().to_json(self)), indent=2, sort_keys=True)
 
 T = TypeVar('T', bound=JsonObject)