diff --git a/ChangeLog b/ChangeLog
index d3b5913fa7..290fdb371b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jun 20 17:59:08 2013  Koichi Sasada  <ko1@atdot.net>
+
+	* benchmark/gc/gcbench.rb: stop GC::Profiler before output results.
+	  Generating GC::Profiler result under profiling causes infinite loop.
+
 Thu Jun 20 17:24:24 2013  Koichi Sasada  <ko1@atdot.net>
 
 	* benchmark/gc/gcbench.rb: don't use __dir__ to make compatible
diff --git a/benchmark/gc/gcbench.rb b/benchmark/gc/gcbench.rb
index dc1c5e2ded..aa92f0827d 100644
--- a/benchmark/gc/gcbench.rb
+++ b/benchmark/gc/gcbench.rb
@@ -12,6 +12,7 @@ GC::Profiler.enable
 tms = Benchmark.measure{|x|
   load script
 }
+GC::Profiler.disable
 GC::Profiler.report
 pp GC.stat