1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/s/chunk_splitter.h b/src/mongo/db/s/chunk_splitter.h
index ef774dc017c..a05683fc6e7 100644
--- a/src/mongo/db/s/chunk_splitter.h
+++ b/src/mongo/db/s/chunk_splitter.h
@@ -107,7 +107,7 @@ private:
                        long dataWritten);
 
     // Protects the state below.
-    stdx::mutex _mutex;
+    Mutex _mutex = MONGO_MAKE_LATCH("ChunkSplitter::_mutex");
 
     // The ChunkSplitter is only active on a primary node.
     bool _isPrimary{false};