diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index c79b6bfd0..f5c31d56c 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2014-01-24  Christopher Faylor  <me.cygwin2014@cgf.cx>
+
+	* winf.cc (linebuf::fromargv): Treat '=' as a special character.
+
 2014-01-23  Corinna Vinschen  <corinna@vinschen.de>
 
 	* security.h (open_local_policy): Remove declaration.
diff --git a/winsup/cygwin/winf.cc b/winsup/cygwin/winf.cc
index 26307a27d..7b24245b6 100644
--- a/winsup/cygwin/winf.cc
+++ b/winsup/cygwin/winf.cc
@@ -75,7 +75,7 @@ linebuf::fromargv (av& newargv, const char *real_path, bool cmdlenoverflow_ok)
 
       a = i ? newargv[i] : (char *) real_path;
       int len = strlen (a);
-      if (len != 0 && !strpbrk (a, " \t\n\r\""))
+      if (len != 0 && !strpbrk (a, " \t\n\r\"="))
 	add (a, len);
       else
 	{