diff --git a/indra/llcommon/tests/llmainthreadtask_test.cpp b/indra/llcommon/tests/llmainthreadtask_test.cpp
index 563759cc6bc532eefc369aaaf54ccfa1d3046bca..69b11ccafbbce3222207d78efed4f8111ea003c4 100644
--- a/indra/llcommon/tests/llmainthreadtask_test.cpp
+++ b/indra/llcommon/tests/llmainthreadtask_test.cpp
@@ -61,10 +61,10 @@ namespace tut
 
     struct StaticData
     {
-        LLMutex mMutex;          // LockStatic looks for mMutex
+        std::mutex mMutex;          // LockStatic looks for mMutex
         bool ran{false};
     };
-    typedef llthread::LockStaticLL<StaticData> LockStatic;
+    typedef llthread::LockStatic<StaticData> LockStatic;
 
     template<> template<>
     void object::test<2>()