diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index d17d894883cd..645ca3574e10 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+Sun Apr 25 01:18:21 1999  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* choose-temp.c (DIR_SEPARATOR): Use '\\' only for native windows32.
+
 1999-04-20  Jim Blandy  <jimb@zwingli.cygnus.com>
 
 	Fix from Dale Hawkins:
diff --git a/libiberty/choose-temp.c b/libiberty/choose-temp.c
index 49c738691550..b1007bb546bd 100644
--- a/libiberty/choose-temp.c
+++ b/libiberty/choose-temp.c
@@ -48,7 +48,7 @@ Boston, MA 02111-1307, USA.  */
 extern int mkstemps ();
 
 #ifndef IN_GCC
-#if defined (__MSDOS__) || defined (_WIN32)
+#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN__) && ! defined (_UWIN))
 #define DIR_SEPARATOR '\\'
 #endif
 #endif