diff --git a/twitchio/models/streams.py b/twitchio/models/streams.py
index e6a7070a..d490ada2 100644
--- a/twitchio/models/streams.py
+++ b/twitchio/models/streams.py
@@ -101,8 +101,8 @@ def __init__(self, data: StreamsResponseData, *, http: HTTPClient) -> None:
 
         self.id: str = data["id"]
         self.user = PartialUser(data["user_id"], data["user_login"], data["user_name"], http=http)
-        self.game_id: str | None = data["game_id"]
-        self.game_name: str | None = data["game_name"]
+        self.game_id: str | None = data["game_id"] or None
+        self.game_name: str | None = data["game_name"] or None
         self.type: str = data["type"]
         self.title: str = data["title"]
         self.viewer_count: int = data["viewer_count"]
diff --git a/twitchio/types_/responses.py b/twitchio/types_/responses.py
index 4d4ddc27..ef395369 100644
--- a/twitchio/types_/responses.py
+++ b/twitchio/types_/responses.py
@@ -1451,8 +1451,9 @@ class StreamsResponseData(TypedDict):
     user_id: str
     user_login: str
     user_name: str
-    game_id: str | None
-    game_name: str | None
+    # Game ID and name are empty when no category is set
+    game_id: str
+    game_name: str
     type: Literal["live", ""]
     title: str
     tags: list[str]