1 files changed, 3 insertions, 4 deletions
diff --git a/src/mongo/db/repl/rollback_checker.cpp b/src/mongo/db/repl/rollback_checker.cpp
index cb5e57f6ae9..9089163aae5 100644
--- a/src/mongo/db/repl/rollback_checker.cpp
+++ b/src/mongo/db/repl/rollback_checker.cpp
@@ -33,14 +33,13 @@
 
 #include "mongo/db/repl/rollback_checker.h"
 
-#include "mongo/stdx/mutex.h"
 #include "mongo/util/log.h"
 
 namespace mongo {
 namespace repl {
 
 using RemoteCommandCallbackArgs = executor::TaskExecutor::RemoteCommandCallbackArgs;
-using UniqueLock = stdx::unique_lock<stdx::mutex>;
+using UniqueLock = stdx::unique_lock<Latch>;
 
 RollbackChecker::RollbackChecker(executor::TaskExecutor* executor, HostAndPort syncSource)
     : _executor(executor), _syncSource(syncSource), _baseRBID(-1), _lastRBID(-1) {
@@ -121,12 +120,12 @@ Status RollbackChecker::reset_sync() {
 }
 
 int RollbackChecker::getBaseRBID() {
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
+    stdx::lock_guard<Latch> lk(_mutex);
     return _baseRBID;
 }
 
 int RollbackChecker::getLastRBID_forTest() {
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
+    stdx::lock_guard<Latch> lk(_mutex);
     return _lastRBID;
 }