diff --git a/ChangeLog b/ChangeLog
index 7c55603909..c954ceb4c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Oct  3 18:01:44 2013  Koichi Sasada  <ko1@atdot.net>
+
+	* gc.c: define gc_profile_record::allocated_size if 
+	  CALC_EXACT_MALLOC_SIZE is true.
+
 Thu Oct  3 13:42:51 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (yes-test-sample): use RUNRUBY instead of MINIRUBY to set
diff --git a/gc.c b/gc.c
index 99907a3523..26d02acdeb 100644
--- a/gc.c
+++ b/gc.c
@@ -217,15 +217,16 @@ typedef struct gc_profile_record {
 
     size_t allocate_increase;
     size_t allocate_limit;
-#if CALC_EXACT_MALLOC_SIZE
-    size_t allocated_size;
-#endif
 
     double prepare_time;
     size_t removing_objects;
     size_t empty_objects;
 #endif
 
+#if CALC_EXACT_MALLOC_SIZE
+    size_t allocated_size;
+#endif
+
 #if RGENGC_PROFILE > 0
     size_t oldgen_objects;
     size_t remembered_normal_objects;