diff --git a/ChangeLog b/ChangeLog
index 3fbe5dcd97..582ee4c62f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Feb  7 15:42:42 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* string.c (rb_str_end_with): compares with the suffix.
+
 Thu Feb  7 15:03:15 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* enc/trans/korean.c: add support for CP949 by Park Ji-In.
diff --git a/string.c b/string.c
index 945241ca3d..db6b19e68c 100644
--- a/string.c
+++ b/string.c
@@ -5663,7 +5663,7 @@ rb_str_end_with(int argc, VALUE *argv, VALUE str)
 	s = p + RSTRING_LEN(str) - RSTRING_LEN(tmp);
 	if (rb_enc_left_char_head(p, s, enc) != s)
 	    continue;
-	if (memcmp(s, p, RSTRING_LEN(tmp)) == 0)
+	if (memcmp(s, RSTRING_PTR(tmp), RSTRING_LEN(tmp)) == 0)
 	    return Qtrue;
     }
     return Qfalse;