diff -Nru haproxy-1.5.10/debian/changelog haproxy-1.5.10/debian/changelog
--- haproxy-1.5.10/debian/changelog	2015-07-06 22:21:57.000000000 +0200
+++ haproxy-1.5.10/debian/changelog	2015-12-08 17:31:41.000000000 +0100
@@ -1,3 +1,11 @@
+haproxy (1.5.10-1ubuntu0.2) vivid; urgency=medium
+
+  * Ensure that haproxy processes are terminated correctly when executing
+    stop/restart operations, easing backports to pre-systemd versions of
+    Ubuntu (LP: #1481737).
+
+ -- Louis Bouchard <louis.bouchard@ubuntu.com>  Tue, 08 Dec 2015 17:30:11 +0100
+
 haproxy (1.5.10-1ubuntu0.1) vivid-security; urgency=medium
 
   * SECURITY UPDATE: information disclosure via uninitialized memory
diff -Nru haproxy-1.5.10/debian/haproxy.init haproxy-1.5.10/debian/haproxy.init
--- haproxy-1.5.10/debian/haproxy.init	2015-01-04 13:18:29.000000000 +0100
+++ haproxy-1.5.10/debian/haproxy.init	2015-12-08 17:26:51.000000000 +0100
@@ -29,6 +29,13 @@
 [ -f /etc/default/rcS ] && . /etc/default/rcS
 . /lib/lsb/init-functions
 
+tmp_pidfile=$(tempfile -s .haproxy.init)
+
+clean()
+{
+	rm -f $tmp_pidfile
+}
+trap clean EXIT
 
 check_haproxy_config()
 {
@@ -62,8 +69,9 @@
 
 	ret=0
 	for pid in $(cat $PIDFILE); do
-		start-stop-daemon --quiet --oknodo --stop \
-			--retry 5 --pid $pid --exec $HAPROXY || ret=$?
+		echo $pid > $tmp_pidfile
+  		start-stop-daemon --quiet --oknodo --stop \
+			--retry 5 --pidfile $tmp_pidfile --exec $HAPROXY || ret=$?
 	done
 
 	[ $ret -eq 0 ] && rm -f $PIDFILE