diff --git a/third_party/XNNPACK/src/reference/unary-elementwise.cc b/third_party/XNNPACK/src/reference/unary-elementwise.cc
index bd95ded6c..da892d8be 100644
--- a/third_party/XNNPACK/src/reference/unary-elementwise.cc
+++ b/third_party/XNNPACK/src/reference/unary-elementwise.cc
@@ -127,6 +127,16 @@ struct ConvertOp {
   }
 };
 
+#ifdef XNN_HAVE_FLOAT16
+template <>
+struct ConvertOp<xnn_bfloat16, _Float16> {
+  explicit ConvertOp(const xnn_unary_uparams*) {}
+  _Float16 operator()(xnn_bfloat16 x) const {
+    return static_cast<_Float16>(static_cast<float>(x));
+  }
+};
+#endif
+
 template <typename TIn, typename TOut>
 const xnn_unary_elementwise_config* get_convert_config(
     std::true_type /*input_quantized*/, std::true_type /*output_quantized*/) {