diff --git a/mybot/config.py b/mybot/config.py
index 74c6588..4247d6f 100644
--- a/mybot/config.py
+++ b/mybot/config.py
@@ -44,7 +44,7 @@ class StateStorageConfig:
 
     @classmethod
     def from_env(cls):
-        return cls(os.getenv("SS_TYPE"),
+        return cls(os.getenv("SS_TYPE", "memory"),
                    os.getenv("SS_REDIS_HOST"),
                    int(os.getenv("SS_REDIS_PORT", 6379)),
                    int(os.getenv("SS_REDIS_DB", 0)),