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-rw-r--r--bitsandbytes/autograd/_functions.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/bitsandbytes/autograd/_functions.py b/bitsandbytes/autograd/_functions.py
index 1d0002c..6674a82 100644
--- a/bitsandbytes/autograd/_functions.py
+++ b/bitsandbytes/autograd/_functions.py
@@ -368,7 +368,7 @@ class MatMul8bitLt(torch.autograd.Function):
gradB32, SgradB32 = F.igemmlt(C32grad, CxAt, Sgrad, SAt)
grad_B = F.mm_dequant(gradB32, SgradB32, SCgradt, SCAt).to(ctx.dtype_B)
if state.threshold > 0.0 and subA is not None:
- grad_B[:, idx] += torch.mm(grad_output.t(), subA)
+ grad_B[:, idx] += torch.matmul(grad_output.t(), subA)
if req_gradA:
if state.CBt is not None: