diff --git a/src/xenia/kernel/xobject.cc b/src/xenia/kernel/xobject.cc
index 1f6ad8d7a..b225be5e4 100644
--- a/src/xenia/kernel/xobject.cc
+++ b/src/xenia/kernel/xobject.cc
@@ -182,6 +182,8 @@ void XObject::SetNativePointer(uint32_t native_ptr, bool uninitialized) {
 object_ref<XObject> XObject::GetNativeObject(KernelState* kernel_state,
                                              void* native_ptr,
                                              int32_t as_type) {
+  assert_not_null(native_ptr);
+
   // Unfortunately the XDK seems to inline some KeInitialize calls, meaning
   // we never see it and just randomly start getting passed events/timers/etc.
   // Luckily it seems like all other calls (Set/Reset/Wait/etc) are used and