diff --git a/intern/guardedalloc/intern/memory_usage.cc b/intern/guardedalloc/intern/memory_usage.cc
index 71987ac38d9..0848250b264 100644
--- a/intern/guardedalloc/intern/memory_usage.cc
+++ b/intern/guardedalloc/intern/memory_usage.cc
@@ -52,10 +52,15 @@ struct alignas(64) Local {
  * This is a singleton that stores global data.
  */
 struct Global {
+  ~Global()
+  {
+    locals_mutex_alive = false;
+  }
   /**
    * Mutex that protects the vector below.
    */
   std::mutex locals_mutex;
+  bool locals_mutex_alive{true};
   /**
    * All currently constructed #Local. This must only be accessed when the mutex above is
    * locked. Individual threads insert and remove themselves here.
@@ -128,6 +133,7 @@ Local::Local()
 Local::~Local()
 {
   Global &global = get_global();
+  assert(global.locals_mutex_alive);
   std::lock_guard lock{global.locals_mutex};
 
   /* Unregister self from the global list. */