diff --git a/pyproject.toml b/pyproject.toml
index e6a4910..5211729 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "sati-ac"
-version = "0.1.2"
+version = "0.1.3"
 authors = [
     { name="sati.ac", email="sati.ac@proton.me" }
 ]
diff --git a/sati/socket.py b/sati/socket.py
index 611d9e9..fb8fae9 100644
--- a/sati/socket.py
+++ b/sati/socket.py
@@ -109,9 +109,7 @@ class SatiSocket:
         if msg_type in ( 'auth', 'call' ):
             return await fut
 
-    async def call(self, method: str, data: dict | None = None) -> SatiDict:
-        if data == None: data = {}
-
+    async def call(self, method: str, data: dict = {}) -> SatiDict:
         if self.__state == STATE_CONNECTED:
             resp = await self.__send('call', {
                 'method': method,