diff --git a/ChangeLog b/ChangeLog
index 11c761ac4b..70e1c95417 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Aug  8 21:09:10 2008  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* common.mk (enk.mk): give not RUBY but MINIRUBY.
+
 Fri Aug  8 17:03:17 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (shutdown, sched_yield, pthread_attr_setinheritsched):
diff --git a/common.mk b/common.mk
index 8476d46062..a8825733a5 100644
--- a/common.mk
+++ b/common.mk
@@ -377,7 +377,7 @@ $(RBCONFIG): $(srcdir)/mkconfig.rb config.status $(PREP)
 		-so_name=$(RUBY_SO_NAME) rbconfig.rb
 
 encs: enc.mk $(LIBRUBY) $(PREP)
-	$(MAKE) -f enc.mk RUBY="$(MINIRUBY)" $(MFLAGS)
+	$(MAKE) -f enc.mk MINIRUBY="$(MINIRUBY)" $(MFLAGS)
 
 enc.mk: $(srcdir)/enc/make_encmake.rb $(srcdir)/enc/Makefile.in $(srcdir)/enc/depend \
 	$(srcdir)/lib/mkmf.rb $(RBCONFIG)