diff --git a/ttcn3-tcpdump-start.sh b/ttcn3-tcpdump-start.sh
index 747002b..b8ad01a 100755
--- a/ttcn3-tcpdump-start.sh
+++ b/ttcn3-tcpdump-start.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-PIDFILE=/tmp/tcpdump.pid
+PIDFILE=/tmp/dumper.pid
 TCPDUMP=/usr/sbin/tcpdump
 TESTCASE=$1
 
@@ -16,19 +16,19 @@
 	rm $PIDFILE
 fi
 
+if [ "$(id -u)" = "0" ]; then
+	CMD="$TCPDUMP -U"
+else
 # NOTE: This requires you to be root or something like
 # "laforge ALL=NOPASSWD: /usr/sbin/tcpdump, /bin/kill" in your sudoers file
-if [ "$(id -u)" = "0" ]; then
-	CMD=$TCPDUMP
-else
-	CMD="sudo $TCPDUMP"
+	CMD="sudo $TCPDUMP -U"
 fi
-$CMD -U -s 1500 -n -i any -w "$TTCN3_PCAP_PATH/$TESTCASE.pcap" >$TTCN3_PCAP_PATH/$TESTCASE.pcap.stdout 2>&1 &
+$CMD -s 1500 -n -i any -w "$TTCN3_PCAP_PATH/$TESTCASE.pcap" >$TTCN3_PCAP_PATH/$TESTCASE.pcap.stdout 2>&1 &
 PID=$!
 echo $PID > $PIDFILE
 
-# Wait until tcpdump creates the pcap file and starts recording.
-# We generate some traffic until we see tcpdump catches it.
+# Wait until packet dumper creates the pcap file and starts recording.
+# We generate some traffic until we see packet dumper catches it.
 # Timeout is 10 seconds.
 ping 127.0.0.1 >/dev/null 2>&1 &
 PID=$!
@@ -36,7 +36,7 @@
 while [ ! -f "$TTCN3_PCAP_PATH/$TESTCASE.pcap" ] ||
       [ "$(stat -c '%s' "$TTCN3_PCAP_PATH/$TESTCASE.pcap")" -eq 32 ]
 do
-	echo "Waiting for tcpdump to start... $i"
+	echo "Waiting for packet dumper to start... $i"
 	sleep 1
 	i=$((i+1))
 	if [ $i -eq 10 ]; then