diff --git a/ChangeLog b/ChangeLog
index 1ef2f1aaaa..ec0e533d4b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Sep 22 16:11:42 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* tool/transcode-tblgen.rb (transcode_generated_code): fixed type.
+
 Tue Sep 22 10:29:06 2009  Tanaka Akira  <akr@fsij.org>
 
 	* enum.c (enum_chunk): new method Enumerable#chunk.
diff --git a/tool/transcode-tblgen.rb b/tool/transcode-tblgen.rb
index a4bd766c2e..19d4fe0927 100755
--- a/tool/transcode-tblgen.rb
+++ b/tool/transcode-tblgen.rb
@@ -670,7 +670,7 @@ def transcode_generated_code
     "\#define TRANSCODE_TABLE_INFO " +
     "#{OUTPUT_PREFIX}byte_array, #{TRANSCODE_GENERATED_BYTES_CODE.length}, " +
     "#{OUTPUT_PREFIX}word_array, #{TRANSCODE_GENERATED_WORDS_CODE.length}, " +
-    "sizeof(unsigned int)\n" +
+    "((int)sizeof(unsigned int))\n" +
     TRANSCODE_GENERATED_TRANSCODER_CODE
 end