diff --git a/libc/private/bionic_globals.h b/libc/private/bionic_globals.h
index c7e951d..520e50f 100644
--- a/libc/private/bionic_globals.h
+++ b/libc/private/bionic_globals.h
@@ -111,6 +111,7 @@
   const char* scudo_stack_depot = nullptr;
   const char* scudo_region_info = nullptr;
   const char* scudo_ring_buffer = nullptr;
+  size_t scudo_ring_buffer_size = 0;
 
   HeapTaggingLevel initial_heap_tagging_level = M_HEAP_TAGGING_LEVEL_NONE;
   bool initial_memtag_stack = false;