From 39f17561f3f7032b352bb91910b4ceee5c0f75eb Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Thu, 28 Jul 2016 11:01:08 +0100
Subject: [PATCH] Accumulate entropy not entropy per unit mass

---
 src/runner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runner.c b/src/runner.c
index e845d29288..63243ab66d 100644
--- a/src/runner.c
+++ b/src/runner.c
@@ -672,7 +672,7 @@ void runner_do_drift(struct runner *r, struct cell *c, int timer) {
       e_int += m * hydro_get_internal_energy(p, half_dt);
 
       /* Collect entropy */
-      entropy += hydro_get_entropy(p, half_dt);
+      entropy += m * hydro_get_entropy(p, half_dt);
     }
 
     /* Now, get the maximal particle motion from its square */
-- 
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