diff --git a/ChangeLog b/ChangeLog
index 478e381fa9..a3838ec7d1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Sep  7 00:58:16 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* common.mk: fix typo.
+
 Fri Sep  7 00:28:25 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* io.c (rb_io_getc): forgot to commit rb_enc_mbclen() fix.
diff --git a/common.mk b/common.mk
index 5ff3ee27c1..f19da4b118 100644
--- a/common.mk
+++ b/common.mk
@@ -657,7 +657,7 @@ parse: miniruby$(EXEEXT) PHONY
 	$(MINIRUBY) $(srcdir)/tool/parse.rb $(srcdir)/test.rb
 
 benchmark: $(PROGRAM) PHONY
-	$(RUNRUBY) $(srcdir)/benchmark/run.rb $(OPT) $(ITEMS) --ruby=`./$(PROGRAM)  -I$(srcdir)/lib' --matzruby=$(MATZRUBY)
+	$(RUNRUBY) $(srcdir)/benchmark/run.rb $(OPT) $(ITEMS) --ruby='./$(PROGRAM)  -I$(srcdir)/lib' --matzruby=$(MATZRUBY)
 
 benchmark-each: $(PROGRAM) PHONY
 	$(RUNRUBY) $(srcdir)/benchmark/run.rb bm_$(ITEM) $(OPT) --ruby='./$(PROGRAM) -I$(srcdir)/lib' --matzruby=$(MATZRUBY)