diff --git a/ChangeLog b/ChangeLog
index 399fc74edd..ba4f8fa551 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Aug  6 15:19:39 2002  NAKAMURA Usaku <usa@ruby-lang.org>
+
+	* string.c (rb_str_rindex): must return -1 if unmatched.
+
 Mon Aug  5 22:41:18 2002  Minero Aoki  <aamine@loveruby.net>
 
 	* MANIFEST: add lib/racc/parser.rb.
diff --git a/string.c b/string.c
index e687fcc533..119852044e 100644
--- a/string.c
+++ b/string.c
@@ -912,6 +912,7 @@ rb_str_rindex(str, sub, pos)
 	    }
 	    s--;
 	}
+	return -1;
     }
     else {
 	return pos;
diff --git a/version.h b/version.h
index a0f96260a9..cb892361d5 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
 #define RUBY_VERSION "1.7.2"
-#define RUBY_RELEASE_DATE "2002-08-01"
+#define RUBY_RELEASE_DATE "2002-08-06"
 #define RUBY_VERSION_CODE 172
-#define RUBY_RELEASE_CODE 20020801
+#define RUBY_RELEASE_CODE 20020806