1 files changed, 3 insertions, 3 deletions
diff --git a/src/mongo/db/s/chunk_splitter.cpp b/src/mongo/db/s/chunk_splitter.cpp
index 049ab0ae261..c7dd1e22250 100644
--- a/src/mongo/db/s/chunk_splitter.cpp
+++ b/src/mongo/db/s/chunk_splitter.cpp
@@ -234,12 +234,12 @@ ChunkSplitter& ChunkSplitter::get(ServiceContext* serviceContext) {
 }
 
 void ChunkSplitter::onShardingInitialization(bool isPrimary) {
-    stdx::lock_guard<stdx::mutex> scopedLock(_mutex);
+    stdx::lock_guard<Latch> scopedLock(_mutex);
     _isPrimary = isPrimary;
 }
 
 void ChunkSplitter::onStepUp() {
-    stdx::lock_guard<stdx::mutex> lg(_mutex);
+    stdx::lock_guard<Latch> lg(_mutex);
     if (_isPrimary) {
         return;
     }
@@ -249,7 +249,7 @@ void ChunkSplitter::onStepUp() {
 }
 
 void ChunkSplitter::onStepDown() {
-    stdx::lock_guard<stdx::mutex> lg(_mutex);
+    stdx::lock_guard<Latch> lg(_mutex);
     if (!_isPrimary) {
         return;
     }