diff --git a/src/xenia/kernel/xthread.cc b/src/xenia/kernel/xthread.cc
index e2c4ecedc..657c0fb37 100644
--- a/src/xenia/kernel/xthread.cc
+++ b/src/xenia/kernel/xthread.cc
@@ -117,6 +117,8 @@ XThread* XThread::GetCurrentThread() {
   return thread;
 }
 
+XThread* XThread::TryGetCurrentThread() { return current_xthread_tls_; }
+
 uint32_t XThread::GetCurrentThreadHandle() {
   XThread* thread = XThread::GetCurrentThread();
   return thread->handle();
diff --git a/src/xenia/kernel/xthread.h b/src/xenia/kernel/xthread.h
index 2c1e75856..31ec31398 100644
--- a/src/xenia/kernel/xthread.h
+++ b/src/xenia/kernel/xthread.h
@@ -408,6 +408,11 @@ class XThread : public XObject, public cpu::Thread {
   static bool IsInThread(XThread* other);
   static bool IsInThread();
   static XThread* GetCurrentThread();
+  // Null-safe variant of GetCurrentThread: returns nullptr (instead of
+  // asserting) when the calling OS thread is not a guest XThread. Used by
+  // additive instrumentation that can fire from boot code before any XThread
+  // exists. Read-only accessor; no behaviour change.
+  static XThread* TryGetCurrentThread();
   static uint32_t GetCurrentThreadHandle();
   static uint32_t GetCurrentThreadId();