diff --git a/model.py b/model.py
index efb7bbf..243a460 100644
--- a/model.py
+++ b/model.py
@@ -52,8 +52,8 @@ class Message(Options):
 
 
 class SioConfig(BaseModel):
-    host: str = Field(alias='private_key')
-    key: str
+    host: str
+    key: str = Field(alias='private_key')
     self_id: int
     admin: List[int]
     validate_host: str