diff --git a/ChangeLog b/ChangeLog
index 3313434f79..c880c8d6c8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Wed Sep 10 14:14:57 2014  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* common.mk (encs enc trans libencs libenc libtrans): force to run
+	  enk.mk because common.mk does not know the dependency, but enk.mk
+	  knows. [ruby-dev:48530] [Bug #10220]
+
 Wed Sep 10 11:59:10 2014  Koichi Sasada  <ko1@atdot.net>
 
 	* gc.c (gc_stat): update rdoc.
diff --git a/common.mk b/common.mk
index b9270f5489..2c8f914ccf 100644
--- a/common.mk
+++ b/common.mk
@@ -577,7 +577,7 @@ yes-runnable: PHONY
 
 encs: enc trans
 libencs: libenc libtrans
-encs enc trans libencs libenc libtrans: showflags $(ENC_MK) $(LIBRUBY) $(PREP)
+encs enc trans libencs libenc libtrans: showflags $(ENC_MK) $(LIBRUBY) $(PREP) PHONY
 	$(ECHO) making $@
 	$(Q) $(MAKE) -f $(ENC_MK) V="$(V)" \
 		RUBY="$(MINIRUBY)" MINIRUBY="$(MINIRUBY)" \