diff --git a/cmake/RuntimeConfig.cmake b/cmake/RuntimeConfig.cmake
index 46bd00fda..33008c85b 100644
--- a/cmake/RuntimeConfig.cmake
+++ b/cmake/RuntimeConfig.cmake
@@ -25,6 +25,9 @@ else()
   set(HDR_MASK -16888498602639361) # 0xffc3ffffffffffff
 endif()
 
+set(HYPERBLOCK_SIZE_MULTIPLIER 1024
+    CACHE STRING "Default Multiplier for Arena Semispaces size")
+
 set(MAP_LAYOUT          1)
 set(LIST_LAYOUT         2)
 set(SET_LAYOUT          3)
diff --git a/config/macros.h b/config/macros.h
index 30202aed8..6723631c1 100644
--- a/config/macros.h
+++ b/config/macros.h
@@ -15,6 +15,8 @@
 #define TAG_MASK @TAG_MASK@LL
 #define LENGTH_MASK @LENGTH_MASK@
 
+#define HYPERBLOCK_SIZE_MULTIPLIER @HYPERBLOCK_SIZE_MULTIPLIER@
+
 #define MAP_LAYOUT @MAP_LAYOUT@
 #define LIST_LAYOUT @LIST_LAYOUT@
 #define SET_LAYOUT @SET_LAYOUT@
diff --git a/include/runtime/arena.h b/include/runtime/arena.h
index ea081766a..ba18ff966 100644
--- a/include/runtime/arena.h
+++ b/include/runtime/arena.h
@@ -8,11 +8,13 @@
 #include <sys/types.h>
 #include <utility>
 
+#include "config/macros.h"
 #include "runtime/alloc.h"
 
 extern "C" {
 
-size_t const HYPERBLOCK_SIZE = (size_t)BLOCK_SIZE * 1024 * 1024;
+size_t const HYPERBLOCK_SIZE
+    = (size_t)BLOCK_SIZE * HYPERBLOCK_SIZE_MULTIPLIER * 1024;
 
 // After a garbage collect we change the tripwire to the amount of non-garbage times
 // this factor, so we do a decent amount of allocations between collections even