diff --git a/c10/util/BFloat16-math.h b/c10/util/BFloat16-math.h
index 5ae993e7418..bad374cbd43 100644
--- a/c10/util/BFloat16-math.h
+++ b/c10/util/BFloat16-math.h
@@ -68,6 +68,12 @@ template <
 inline T expm1(T a) {
   return std::expm1(float(a));
 }
+template <
+    typename T,
+    typename std::enable_if_t<is_reduced_floating_point_v<T>, int> = 0>
+inline bool isfinite(T a) {
+  return std::isfinite(float(a));
+}
 template <
     typename T,
     typename std::enable_if_t<is_reduced_floating_point_v<T>, int> = 0>