1 files changed, 2 insertions, 2 deletions
diff --git a/src/mongo/db/repl/replication_metrics.h b/src/mongo/db/repl/replication_metrics.h
index 816b1fc39bc..a07f84e48cf 100644
--- a/src/mongo/db/repl/replication_metrics.h
+++ b/src/mongo/db/repl/replication_metrics.h
@@ -32,7 +32,7 @@
 #include "mongo/db/repl/replication_metrics_gen.h"
 #include "mongo/db/repl/topology_coordinator.h"
 #include "mongo/db/service_context.h"
-#include "mongo/stdx/mutex.h"
+#include "mongo/platform/mutex.h"
 
 namespace mongo {
 namespace repl {
@@ -98,7 +98,7 @@ private:
 
     void _updateAverageCatchUpOps(WithLock lk);
 
-    mutable stdx::mutex _mutex;
+    mutable Mutex _mutex = MONGO_MAKE_LATCH("ReplicationMetrics::_mutex");
     ElectionMetrics _electionMetrics;
     ElectionCandidateMetrics _electionCandidateMetrics;
     ElectionParticipantMetrics _electionParticipantMetrics;