diff --git a/Source/Threading/AuWakeOnAddress.cpp b/Source/Threading/AuWakeOnAddress.cpp
index 643a2571..3c546a75 100644
--- a/Source/Threading/AuWakeOnAddress.cpp
+++ b/Source/Threading/AuWakeOnAddress.cpp
@@ -295,7 +295,10 @@ namespace Aurora::Threading
             decltype(pCurrentHead) pLast {};
             while (pCurrentHead)
             {
-                AU_LOCK_GUARD(pCurrentHead->mutex);
+                // Insertion barrier
+                {
+                    AU_LOCK_GUARD(pCurrentHead->mutex);
+                }
 
                 auto [bCont, bRemove] = callback(*pCurrentHead);