diff --git a/reolink_aio/api.py b/reolink_aio/api.py
index 5d0bda8..a86bf73 100644
--- a/reolink_aio/api.py
+++ b/reolink_aio/api.py
@@ -981,7 +981,7 @@ def bit_rate(self, channel: int, stream: str | None = None) -> int | None:
 
     def bit_rate_list(self, channel: int, stream: str | None = None) -> list[int]:
         if channel not in self._enc_range:
-            return None
+            return []
         if stream is None:
             stream = "main"
 
@@ -997,7 +997,7 @@ def frame_rate(self, channel: int, stream: str | None = None) -> int | None:
 
     def frame_rate_list(self, channel: int, stream: str | None = None) -> list[int]:
         if channel not in self._enc_range:
-            return None
+            return []
         if stream is None:
             stream = "main"