diff --git a/runtime/gc/allocator/rosalloc.h b/runtime/gc/allocator/rosalloc.h
index c0ab151..b2a5a3c 100644
--- a/runtime/gc/allocator/rosalloc.h
+++ b/runtime/gc/allocator/rosalloc.h
@@ -30,6 +30,7 @@
 #include "base/logging.h"
 #include "globals.h"
 #include "mem_map.h"
+#include "thread.h"
 #include "utils.h"
 
 namespace art {
@@ -261,7 +262,7 @@
   // The magic number for free pages.
   static const byte kMagicNumFree = 43;
   // The number of size brackets. Sync this with the length of Thread::rosalloc_runs_.
-  static const size_t kNumOfSizeBrackets = 34;
+  static const size_t kNumOfSizeBrackets = kNumRosAllocThreadLocalSizeBrackets;
   // The number of smaller size brackets that are 16 bytes apart.
   static const size_t kNumOfQuantumSizeBrackets = 32;
   // The sizes (the slot sizes, in bytes) of the size brackets.