diff --git a/ChangeLog b/ChangeLog
index 4881cec769..712d53c637 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Feb 15 13:22:28 2014  Eric Wong  <e@80x24.org>
+
+	* probes_helper.h (RUBY_DTRACE_HOOK): correct type for _id
+
 Sat Feb 15 11:47:47 2014  Tanaka Akira  <akr@fsij.org>
 
 	* bignum.c (rb_big_cmp): Avoid bignum allocation for comparison
diff --git a/probes_helper.h b/probes_helper.h
index 12a18dcb34..f01cbc374a 100644
--- a/probes_helper.h
+++ b/probes_helper.h
@@ -10,7 +10,7 @@ VALUE rb_class_path_no_cache(VALUE _klass);
 do { \
     if (RUBY_DTRACE_##name##_ENABLED()) { \
 	VALUE _klass = (klazz); \
-	VALUE _id = (id); \
+	ID _id = (id); \
 	const char * classname; \
 	const char * methodname; \
 	const char * filename; \