diff --git a/gnes/encoder/base.py b/gnes/encoder/base.py
index 24f15f3a..6fb45b7c 100644
--- a/gnes/encoder/base.py
+++ b/gnes/encoder/base.py
@@ -40,7 +40,7 @@ def encode(self, img: List['np.ndarray'], *args, **kwargs) -> np.ndarray:
 
 class BaseVideoEncoder(BaseEncoder):
 
-    def encode(self, img: List['np.ndarray'], *args, **kwargs) -> np.ndarray:
+    def encode(self, videos: List['np.ndarray'], *args, **kwargs) -> np.ndarray:
         pass