diff --git a/ChangeLog b/ChangeLog
index cb0d13fc88..37bfab5882 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jun  5 07:48:32 2008  Koichi Sasada  <ko1@atdot.net>
+
+	* string.c (hash): should be "static".
+
 Thu Jun  5 01:47:18 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* test/ruby/test_transcode.rb: add tests for iso-2022-jp.
diff --git a/string.c b/string.c
index 457ac6d54c..404abe0b0c 100644
--- a/string.c
+++ b/string.c
@@ -1698,7 +1698,7 @@ rb_str_concat(VALUE str1, VALUE str2)
 #endif
 
 /* MurmurHash described in http://murmurhash.googlepages.com/ */
-unsigned int
+static unsigned int
 hash(const unsigned char * data, int len, unsigned int h)
 {
     const unsigned int m = 0x7fd652ad;