diff --git a/extra/onnx_helpers.py b/extra/onnx_helpers.py
index 7d3af8fa70..c11a8d41f8 100644
--- a/extra/onnx_helpers.py
+++ b/extra/onnx_helpers.py
@@ -1,10 +1,12 @@
 from tinygrad import Tensor
+from tinygrad.helpers import NUM_CPU_THREADS
 from tinygrad.tensor import _to_np_dtype
 from tinygrad.nn.onnx import OnnxRunner, OnnxValue
 import numpy as np
 import onnxruntime as ort
 ort_options = ort.SessionOptions()
 ort_options.log_severity_level = 3
+ort_options.intra_op_num_threads = NUM_CPU_THREADS.value
 
 def get_example_inputs(graph_inputs:dict[str, OnnxValue], config={}):
   """