diff --git a/Firestore/core/src/firebase/firestore/model/field_path.h b/Firestore/core/src/firebase/firestore/model/field_path.h
index a8b147ec012..00b658ab301 100644
--- a/Firestore/core/src/firebase/firestore/model/field_path.h
+++ b/Firestore/core/src/firebase/firestore/model/field_path.h
@@ -35,7 +35,10 @@ namespace model {
  */
 class FieldPath : public impl::BasePath<FieldPath> {
  public:
-  FieldPath() = default;
+  // Note: Xcode 8.2 requires explicit specification of the constructor.
+  FieldPath() : impl::BasePath<FieldPath>() {
+  }
+
   /** Constructs the path from segments. */
   template <typename IterT>
   FieldPath(const IterT begin, const IterT end) : BasePath{begin, end} {