1 files changed, 3 insertions, 3 deletions
diff --git a/src/mongo/db/operation_time_tracker.cpp b/src/mongo/db/operation_time_tracker.cpp
index 27832209b69..2d45b49747c 100644
--- a/src/mongo/db/operation_time_tracker.cpp
+++ b/src/mongo/db/operation_time_tracker.cpp
@@ -30,7 +30,7 @@
 #include "mongo/platform/basic.h"
 
 #include "mongo/db/operation_time_tracker.h"
-#include "mongo/stdx/mutex.h"
+#include "mongo/platform/mutex.h"
 
 namespace mongo {
 namespace {
@@ -51,12 +51,12 @@ std::shared_ptr<OperationTimeTracker> OperationTimeTracker::get(OperationContext
 }
 
 LogicalTime OperationTimeTracker::getMaxOperationTime() const {
-    stdx::lock_guard<stdx::mutex> lock(_mutex);
+    stdx::lock_guard<Latch> lock(_mutex);
     return _maxOperationTime;
 }
 
 void OperationTimeTracker::updateOperationTime(LogicalTime newTime) {
-    stdx::lock_guard<stdx::mutex> lock(_mutex);
+    stdx::lock_guard<Latch> lock(_mutex);
     if (newTime > _maxOperationTime) {
         _maxOperationTime = std::move(newTime);
     }