diff --git a/utilities/backupable/backupable_db.cc b/utilities/backupable/backupable_db.cc
index 37d9cb907af6769b6e01633734b18fdc23e80659..5c2c856da6dc297247ad197fd438af0b2aac63d1 100644
--- a/utilities/backupable/backupable_db.cc
+++ b/utilities/backupable/backupable_db.cc
@@ -632,7 +632,7 @@ Status BackupEngineImpl::Initialize() {
   // set up threads perform copies from files_to_copy_or_create_ in the
   // background
   for (int t = 0; t < options_.max_background_operations; t++) {
-    threads_.emplace_back([&]() {
+    threads_.emplace_back([this]() {
       CopyOrCreateWorkItem work_item;
       while (files_to_copy_or_create_.read(work_item)) {
         CopyOrCreateResult result;