diff -ruN ser-2.0.0/debian/ser.init ser-2.0.0.new//debian/ser.init
--- ser-2.0.0/debian/ser.init	2010-09-09 06:20:00.000000000 +0100
+++ ser-2.0.0.new//debian/ser.init	2010-09-09 06:07:12.045193655 +0100
@@ -36,6 +36,13 @@
 
 set -e
 
+# Make sure /var/run/ subdirectories exists.
+if [ ! -e /var/run/$NAME ] ; then
+    mkdir -p /var/run/$NAME
+    chmod 755 /var/run/$NAME
+fi
+
+
 case "$1" in
   start)
 	echo -n "Starting $DESC: $NAME"