diff --git a/utils/tcsh/Makefile b/utils/tcsh/Makefile
index 606a96a4e1..4f22824752 100644
--- a/utils/tcsh/Makefile
+++ b/utils/tcsh/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2016 OpenWrt.org
+# Copyright (C) 2011-2017 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tcsh
 PKG_VERSION:=6.20.00
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:= \
diff --git a/utils/tcsh/patches/001-sysmalloc.patch b/utils/tcsh/patches/001-sysmalloc.patch
new file mode 100644
index 0000000000..b22c018983
--- /dev/null
+++ b/utils/tcsh/patches/001-sysmalloc.patch
@@ -0,0 +1,15 @@
+--- a/config_f.h		
++++ b/config_f.h
+@@ -139,11 +139,8 @@
+  *		This can be much slower and no memory statistics will be
+  *		provided.
+  */
+-#if defined(__MACHTEN__) || defined(PURIFY) || defined(MALLOC_TRACE) || defined(_OSD_POSIX) || defined(__MVS__) || defined (__CYGWIN__) || defined(__GLIBC__) || defined(__OpenBSD__) || defined(__APPLE__) || defined (__ANDROID__)
++
+ # define SYSMALLOC
+-#else
+-# undef SYSMALLOC
+-#endif
+ 
+ /*
+  * USE_ACCESS	Use access(2) rather than stat(2) when POSIX is defined.