diff --git a/src/mark_sweep.h b/src/mark_sweep.h
index f20cc41..841d819 100644
--- a/src/mark_sweep.h
+++ b/src/mark_sweep.h
@@ -6,6 +6,7 @@
 #include "macros.h"
 #include "mark_stack.h"
 #include "object_bitmap.h"
+#include "offsets.h"
 
 namespace art {