From 8d99bf477938df4dc57547f185a45d4677635136 Mon Sep 17 00:00:00 2001
From: sjplimp <sjplimp@f3b2605a-c512-4ea7-a41b-209d697bcdaa>
Date: Thu, 30 Apr 2015 14:31:11 +0000
Subject: [PATCH] git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@13447
 f3b2605a-c512-4ea7-a41b-209d697bcdaa

---
 src/compute_pressure.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compute_pressure.cpp b/src/compute_pressure.cpp
index 8e57130f93..d4a3109ea9 100644
--- a/src/compute_pressure.cpp
+++ b/src/compute_pressure.cpp
@@ -285,9 +285,9 @@ void ComputePressure::virial_compute(int n, int ndiag)
   if (kspace_virial)
     for (i = 0; i < n; i++) virial[i] += kspace_virial[i];
 
-  // LJ long-range tail correction
+  // LJ long-range tail correction, only if pair contributions are included
 
-  if (force->pair && force->pair->tail_flag)
+  if (force->pair && pairflag && force->pair->tail_flag)
     for (i = 0; i < ndiag; i++) virial[i] += force->pair->ptail * inv_volume;
 }