diff --git a/onnxruntime/core/optimizer/transpose_optimization/onnx_transpose_optimization.cc b/onnxruntime/core/optimizer/transpose_optimization/onnx_transpose_optimization.cc
index 470838d36ec1c..81a842eb87db1 100644
--- a/onnxruntime/core/optimizer/transpose_optimization/onnx_transpose_optimization.cc
+++ b/onnxruntime/core/optimizer/transpose_optimization/onnx_transpose_optimization.cc
@@ -5,6 +5,7 @@
 
 #include <algorithm>
 #include <cassert>
+#include <cstring>
 #include <iostream>
 #include <memory>
 #include <unordered_map>