diff --git a/onnxruntime/core/mlas/lib/erf.cpp b/onnxruntime/core/mlas/lib/erf.cpp
index 1fc538087c..34390f9582 100644
--- a/onnxruntime/core/mlas/lib/erf.cpp
+++ b/onnxruntime/core/mlas/lib/erf.cpp
@@ -23,8 +23,6 @@ Abstract:
 
 #include "mlasi.h"
 
-#include <cmath>
-
 //
 // Bundles the constants for use by kernels written in assembly.
 //
diff --git a/onnxruntime/core/mlas/lib/mlasi.h b/onnxruntime/core/mlas/lib/mlasi.h
index 293efda47c..5128c7a7f0 100644
--- a/onnxruntime/core/mlas/lib/mlasi.h
+++ b/onnxruntime/core/mlas/lib/mlasi.h
@@ -21,6 +21,7 @@ Abstract:
 #include <memory.h>
 #include <algorithm>
 #include <limits>
+#include <cmath>
 
 #if defined(_WIN32)
 #include <windows.h>