diff --git a/python/tvm/contrib/cutlass/gen_tensor_op.py b/python/tvm/contrib/cutlass/gen_tensor_op.py
index 177304e10229..1de193858036 100644
--- a/python/tvm/contrib/cutlass/gen_tensor_op.py
+++ b/python/tvm/contrib/cutlass/gen_tensor_op.py
@@ -94,6 +94,7 @@ def generate_sm50_simt(
                 DataType.f32,
                 DataType.f32,
                 DataType.f32,
+                DataType.f32,
                 OpcodeClass.Simt,
                 MathOperation.multiply_add,
             ),