diff --git a/ChangeLog b/ChangeLog
index 2b5c2d27b9..dd17548b24 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Jan 29 20:22:39 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* benchmark/driver.rb (BenchmarkDriver#measure): Show command line
+	  when abnormal exiting occur.
+
 Sat Jan 29 10:53:16 2011  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* vm_insnhelper.c (vm_get_ev_const): no-scope reference to toplevel
diff --git a/benchmark/driver.rb b/benchmark/driver.rb
index 687dec26f1..31c9ac2dc9 100644
--- a/benchmark/driver.rb
+++ b/benchmark/driver.rb
@@ -205,7 +205,7 @@ class BenchmarkDriver
     }
 
     if $? != 0
-      raise "Benchmark process exited with abnormal status (#{$?})"
+      raise "\`#{cmd}\' exited with abnormal status (#{$?})"
     end
 
     m.real