diff --git a/ChangeLog b/ChangeLog
index 96b8fd5093..01c42ad876 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Oct 15 17:26:57 2010  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* pack.c (pack_pack): simplify comparison of explicit_endian
+	  as pointed by nobu.
+
+	* pack.c (pack_unpack): ditto.
+
 Thu Oct 14 09:46:28 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* sprintf.c (rb_str_format): fix: sprintf with hex format and
diff --git a/pack.c b/pack.c
index 45a5de0d4f..5d89efcaf2 100644
--- a/pack.c
+++ b/pack.c
@@ -770,7 +770,7 @@ pack_pack(VALUE ary, VALUE fmt)
 
           pack_integer:
 	    if (explicit_endian) {
-		bigendian_p = ((explicit_endian - '<') != 0);
+		bigendian_p = explicit_endian == '>';
 	    }
 
             switch (integer_size) {
@@ -1666,7 +1666,7 @@ pack_unpack(VALUE str, VALUE fmt)
 
 	  unpack_integer:
 	    if (explicit_endian) {
-		bigendian_p = ((explicit_endian - '<') != 0);
+		bigendian_p = explicit_endian == '>';
 	    }
 
 	    switch (integer_size) {