diff --git a/dsv4/kernels/attention/fmha_smem_acc.py b/dsv4/kernels/attention/fmha_smem_acc.py
index 4b24d492..bd14b24f 100644
--- a/dsv4/kernels/attention/fmha_smem_acc.py
+++ b/dsv4/kernels/attention/fmha_smem_acc.py
@@ -570,7 +570,7 @@ class FmhaKernel:
             )
             c_pipe.producer_acquire()
             if warp_idx == self.epilogue_warp_id[0]:
-                cute.copy(tma_c, bSG_sC[(None, Int32(0))], bSG_gC[(None, Int32(0))])
+                cute.copy(tma_c, bSG_sC[(None, None, Int32(0))], bSG_gC[(None, None, Int32(0))])
                 c_pipe.producer_commit()
                 c_pipe.producer_acquire()
             epilog_sync_barrier.arrive_and_wait()