diff --git a/server/text_generation_server/layers/attention/cuda.py b/server/text_generation_server/layers/attention/cuda.py
index 505fbafa..fb50dda6 100644
--- a/server/text_generation_server/layers/attention/cuda.py
+++ b/server/text_generation_server/layers/attention/cuda.py
@@ -80,7 +80,7 @@ def paged_attention(
             sm_scale=softmax_scale,
             k_scale=kv_scales.key_scale_cpu if can_scale else 1.0,
             v_scale=kv_scales.value_scale_cpu if can_scale else 1.0,
-            window_size_left=window_size_left,
+            window_left=window_size_left,
         )
     elif ATTENTION == "flashdecoding":
         max_q = 1
@@ -257,7 +257,7 @@ def attention(
             sm_scale=softmax_scale,
             k_scale=kv_scales.key_scale_cpu if can_scale else 1.0,
             v_scale=kv_scales.value_scale_cpu if can_scale else 1.0,
-            window_size_left=window_size_left,
+            window_left=window_size_left,
         )
 
     # If we are using flashdecoding or paged, we always use flash-attn for