1 files changed, 4 insertions, 4 deletions
diff --git a/src/mongo/db/catalog/collection.cpp b/src/mongo/db/catalog/collection.cpp
index 0d86d5c1572..f46d636240f 100644
--- a/src/mongo/db/catalog/collection.cpp
+++ b/src/mongo/db/catalog/collection.cpp
@@ -42,13 +42,13 @@ namespace mongo {
 //
 
 void CappedInsertNotifier::notifyAll() {
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
+    stdx::lock_guard<Latch> lk(_mutex);
     ++_version;
     _notifier.notify_all();
 }
 
 void CappedInsertNotifier::waitUntil(uint64_t prevVersion, Date_t deadline) const {
-    stdx::unique_lock<stdx::mutex> lk(_mutex);
+    stdx::unique_lock<Latch> lk(_mutex);
     while (!_dead && prevVersion == _version) {
         if (stdx::cv_status::timeout == _notifier.wait_until(lk, deadline.toSystemTimePoint())) {
             return;
@@ -57,13 +57,13 @@ void CappedInsertNotifier::waitUntil(uint64_t prevVersion, Date_t deadline) cons
 }
 
 void CappedInsertNotifier::kill() {
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
+    stdx::lock_guard<Latch> lk(_mutex);
     _dead = true;
     _notifier.notify_all();
 }
 
 bool CappedInsertNotifier::isDead() {
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
+    stdx::lock_guard<Latch> lk(_mutex);
     return _dead;
 }