diff --git a/perceiverar/module.py b/perceiverar/module.py
index d9e200a..5267d8f 100644
--- a/perceiverar/module.py
+++ b/perceiverar/module.py
@@ -410,7 +410,7 @@ class PerceiverARModel(nn.Module):
         perciever_input = torch.cat((lags, features), dim=-1)
 
         prefix, x = (
-            perciever_input[:, : self.context_length - 1, ...],,
+            perciever_input[:, : self.context_length - 1, ...],
             perciever_input[:, self.context_length - 1 :, ...],
         )