diff --git a/web/support/patches/4.7/util_system.patch b/web/support/patches/4.7/util_system.patch
new file mode 100644
index 0000000000..e0b7b20a90
--- /dev/null
+++ b/web/support/patches/4.7/util_system.patch
@@ -0,0 +1,20 @@
+--- util_system.c	2005-01-06 17:19:40.000000000 -0800
++++ /home/edo/nwchem/src/util/util_system.c	2006-02-15 10:32:22.000000000 -0800
+@@ -16,7 +16,7 @@
+ #ifdef WIN32
+ #include "typesf2c.h"
+ #endif
+-#if (defined (LINUX) || defined (DECOSF)) && !defined(__x86_64__)
++#if defined (DECOSF)
+ #define __USE_BSD
+ #include <signal.h>
+ #undef __USE_BSD
+@@ -48,7 +48,7 @@
+     if (!fortchar_to_string(input, lin, in, sizeof(in)))
+ 	ga_error("util_system: fortchar_to_string failed for in",0);
+ 
+-#if (defined(LINUX) || defined(DECOSF)) && !defined(__x86_64__)
++#if defined(DECOSF)
+ 	Siginit = signal(SIGCHLD,SIG_IGN);
+ 	i = system(in);
+ 	Siginit = signal(SIGCHLD,Siginit);