diff --git a/ChangeLog b/ChangeLog
index d724580ebe..014360d49e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Nov 26 18:22:56 2012  Koichi Sasada  <ko1@atdot.net>
+
+	* common.mk: specify label `built-ruby'.
+
+	* benchmark/driver.rb: quote path.
+
 Mon Nov 26 18:26:28 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* signal.c (signal_exec): add volatile to make sure setjmp safe.
diff --git a/benchmark/driver.rb b/benchmark/driver.rb
index 5719a7a4c3..695dc41aff 100644
--- a/benchmark/driver.rb
+++ b/benchmark/driver.rb
@@ -88,7 +88,7 @@ class BenchmarkDriver
       @start_time = Time.now
       message @start_time
       @execs.each_with_index{|(path, label, version), i|
-        message "target #{i}: " + (label == version ? "#{label}" : "#{label} (#{version})") + " at #{path}"
+        message "target #{i}: " + (label == version ? "#{label}" : "#{label} (#{version})") + " at \"#{path}\""
       }
     end
   end
diff --git a/common.mk b/common.mk
index bf9c607e5b..e30462fdf0 100644
--- a/common.mk
+++ b/common.mk
@@ -940,17 +940,17 @@ OPTS =
 
 benchmark: $(PROGRAM) PHONY
 	$(BASERUBY) $(srcdir)/benchmark/driver.rb -v \
-	            --executables="$(COMPARE_RUBY); $(RUNRUBY)" \
+	            --executables="$(COMPARE_RUBY); built-ruby::$(RUNRUBY)" \
 	            --pattern='bm_' --directory=$(srcdir)/benchmark $(OPTS)
 
 benchmark-each: $(PROGRAM) PHONY
 	$(BASERUBY) $(srcdir)/benchmark/driver.rb -v \
-	            --executables="$(COMPARE_RUBY); $(RUNRUBY)" \
+	            --executables="$(COMPARE_RUBY); built-ruby::$(RUNRUBY)" \
 	            --pattern=$(ITEM) --directory=$(srcdir)/benchmark $(OPTS)
 
 tbench: $(PROGRAM) PHONY
 	$(BASERUBY) $(srcdir)/benchmark/driver.rb -v \
-	            --executables="$(COMPARE_RUBY); $(RUNRUBY)" \
+	            --executables="$(COMPARE_RUBY); built-ruby::$(RUNRUBY)" \
 	            --pattern='bmx_' --directory=$(srcdir)/benchmark $(OPTS)
 
 run.gdb: