diff --git a/version.h b/version.h
index 3e8290a024..72f554cc08 100644
--- a/version.h
+++ b/version.h
@@ -7,5 +7,5 @@
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2003
-#define RUBY_RELEASE_MONTH 08
-#define RUBY_RELEASE_DAY 01
+#define RUBY_RELEASE_MONTH 8
+#define RUBY_RELEASE_DAY 1