diff --git a/ChangeLog b/ChangeLog
index 29fb78af17..214520fefe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Dec 23 17:24:48 2007  Tanaka Akira  <akr@fsij.org>
+
+	* encoding.c (rb_enc_init): add eucJP as an alias of EUC-JP.
+
 Sun Dec 23 17:00:23 2007  Tanaka Akira  <akr@fsij.org>
 
 	* lib/time.rb (Time.httpdate): use Time.utc for
diff --git a/encoding.c b/encoding.c
index 130b1612e1..985dd5bf24 100644
--- a/encoding.c
+++ b/encoding.c
@@ -314,6 +314,7 @@ rb_enc_init(void)
 #undef ENC_REGISTER
     enc_alias("ASCII", rb_enc_name(ONIG_ENCODING_ASCII));
     enc_alias("BINARY", rb_enc_name(ONIG_ENCODING_ASCII));
+    enc_alias("eucJP", rb_enc_name(ONIG_ENCODING_EUC_JP));
     enc_alias("SJIS", rb_enc_name(ONIG_ENCODING_SJIS));
 }