diff --git a/whisper/timing.py b/whisper/timing.py
index e563414..2340000 100644
--- a/whisper/timing.py
+++ b/whisper/timing.py
@@ -117,7 +117,7 @@ def dtw_cuda(x, BLOCK_SIZE=1024):
     x_skew = x_skew.T.contiguous()
     cost = torch.ones(N + M + 2, M + 2) * np.inf
     cost[0, 0] = 0
-    cost = cost.cuda()
+    cost = cost.to(x.device)
     trace = torch.zeros_like(cost, dtype=torch.int32)
 
     dtw_kernel[(1,)](