diff --git a/ChangeLog b/ChangeLog
index ad73ba4045..b7a3df35e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jan 13 09:22:33 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk (incs): includes encdb.h.
+
 Sun Jan 13 09:17:29 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* {bcc,win}32/Makefile.sub (MV): use move instead of ren.  [ruby-Bugs-17019]
diff --git a/common.mk b/common.mk
index 026c2dab9f..a9722b3604 100644
--- a/common.mk
+++ b/common.mk
@@ -703,7 +703,7 @@ vm.inc: $(srcdir)/template/vm.inc.tmpl
 
 srcs: {$(VPATH)}parse.c {$(VPATH)}lex.c $(srcdir)/ext/ripper/ripper.c
 
-incs: $(INSNS) {$(VPATH)}node_name.inc {$(VPATH)}revision.h
+incs: $(INSNS) {$(VPATH)}node_name.inc {$(VPATH)}encdb.h {$(VPATH)}revision.h
 
 node_name.inc: {$(VPATH)}node.h
 	$(BASERUBY) -n $(srcdir)/tool/node_name.rb $? > $@