diff --git a/onnxruntime/core/providers/dml/DmlExecutionProvider/src/Operators/OperatorUtility.h b/onnxruntime/core/providers/dml/DmlExecutionProvider/src/Operators/OperatorUtility.h
index a0e5d8aaeb..3893bc0019 100644
--- a/onnxruntime/core/providers/dml/DmlExecutionProvider/src/Operators/OperatorUtility.h
+++ b/onnxruntime/core/providers/dml/DmlExecutionProvider/src/Operators/OperatorUtility.h
@@ -70,6 +70,8 @@ namespace Dml
         uint32_t index;
     };
 
+    std::optional<uint32_t> TryMapStringToIndex(std::string_view mode, gsl::span<const NameAndIndex> nameAndIndexList);
+
     template<typename T>
     std::optional<T> TryMapStringToIndex(std::string_view mode, gsl::span<const NameAndIndex> nameAndIndexList)
     {
@@ -78,10 +80,8 @@ namespace Dml
         return *reinterpret_cast<std::optional<T>*>(std::addressof(result));
     }
 
-    std::optional<uint32_t> TryMapStringToIndex(std::string_view mode, gsl::span<const NameAndIndex> nameAndIndexList);
-
     DML_INTERPOLATION_MODE MapStringToInteropolationMode(std::string_view mode);
 
     DML_DEPTH_SPACE_ORDER MapStringToDepthSpaceMode(std::string_view mode);
 
-} // namespace Dml
\ No newline at end of file
+} // namespace Dml