use appropriate lock

1 files changed, 1 insertions, 1 deletions

diff --git a/staging_vespalib/src/vespa/vespalib/util/adaptive_sequenced_executor.cpp b/staging_vespalib/src/vespa/vespalib/util/adaptive_sequenced_executor.cpp
index 8139fd6d11b..407129199e3 100644
--- a/staging_vespalib/src/vespa/vespalib/util/adaptive_sequenced_executor.cpp
+++ b/staging_vespalib/src/vespa/vespalib/util/adaptive_sequenced_executor.cpp
@@ -304,7 +304,7 @@ AdaptiveSequencedExecutor::sync()
 {
     BarrierCompletion barrierCompletion;
     {
-        auto guard = std::scoped_lock(_mutex);
+        auto guard = std::lock_guard(_mutex);
         if (!_barrier.startBarrier(barrierCompletion)) {
             return;
         }