diff --git a/check.t b/check.t
index d994c36..99c2467 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.669 2014/11/14 20:21:27 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.670 2014/11/19 18:44:09 tg Exp $
 # OpenBSD src/regress/bin/ksh updated: 2013/12/02 20:39:44
 #-
 # Copyright © 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
@@ -27,7 +27,7 @@
 # http://svnweb.freebsd.org/base/head/bin/test/tests/legacy_test.sh?view=co&content-type=text%2Fplain
 
 expected-stdout:
-	@(#)MIRBSD KSH R50 2014/11/14
+	@(#)MIRBSD KSH R50 2014/11/19
 description:
 	Check version of shell.
 stdin:
@@ -36,7 +36,7 @@ name: KSH_VERSION
 category: shell:legacy-no
 ---
 expected-stdout:
-	@(#)LEGACY KSH R50 2014/11/14
+	@(#)LEGACY KSH R50 2014/11/19
 description:
 	Check version of legacy shell.
 stdin:
diff --git a/lex.c b/lex.c
index 9d39998..a9b5ecd 100644
--- a/lex.c
+++ b/lex.c
@@ -23,7 +23,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.193 2014/06/29 11:28:28 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.194 2014/11/19 18:44:11 tg Exp $");
 
 /*
  * states while lexing word
@@ -854,7 +854,7 @@ yylex(int cf)
 			*dp = '\0';
 			/* store the quoted string */
 			*wp++ = OQUOTE;
-			XcheckN(ws, wp, (dp - sp));
+			XcheckN(ws, wp, (dp - sp) * 2);
 			dp = sp;
 			while ((c = *dp++)) {
 				if (c == '\\') {
diff --git a/sh.h b/sh.h
index dbfc4a8..10e2069 100644
--- a/sh.h
+++ b/sh.h
@@ -169,9 +169,9 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.702 2014/11/14 20:21:29 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.703 2014/11/19 18:44:11 tg Exp $");
 #endif
-#define MKSH_VERSION "R50 2014/11/14"
+#define MKSH_VERSION "R50 2014/11/19"
 
 /* arithmetic types: C implementation */
 #if !HAVE_CAN_INTTYPES