diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a18d2a793..e5a1b1ec1 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2003-04-10  Corinna Vinschen  <corinna@vinschen.de>
+
+	* regex/regex.h: Define regoff_t as _off_t.
+	* regex/regex2.h: Ditto.
+
 2003-04-10  Corinna Vinschen  <corinna@vinschen.de>
 
 	* cygwin.din: Export wcscoll, wcswidth and wcwidth.
diff --git a/winsup/cygwin/regex/regex.h b/winsup/cygwin/regex/regex.h
index 0ef0ace36..ecba140b0 100644
--- a/winsup/cygwin/regex/regex.h
+++ b/winsup/cygwin/regex/regex.h
@@ -14,7 +14,7 @@ extern "C" {
 #endif
 
 /* === regex2.h === */
-typedef off_t regoff_t;
+typedef _off_t regoff_t;
 typedef struct {
 	int re_magic;
 	size_t re_nsub;		/* number of parenthesized subexpressions */
diff --git a/winsup/cygwin/regex/regex2.h b/winsup/cygwin/regex/regex2.h
index 58fd8d8a4..8c103fa54 100644
--- a/winsup/cygwin/regex/regex2.h
+++ b/winsup/cygwin/regex/regex2.h
@@ -1,6 +1,6 @@
 /*
  * First, the stuff that ends up in the outside-world include file
- = typedef off_t regoff_t;
+ = typedef _off_t regoff_t;
  = typedef struct {
  = 	int re_magic;
  = 	size_t re_nsub;		// number of parenthesized subexpressions