diff --git a/sbin/packet-capture.sh b/sbin/packet-capture.sh
index af6eab1..1095965 100755
--- a/sbin/packet-capture.sh
+++ b/sbin/packet-capture.sh
@@ -39,4 +39,4 @@ fi
 echo "Logging to: $OUTPATH"
 echo "Expression: $EXPR"
 
-tcpdump -n -s 0 -W 1000 -C 50 -w "$OUTPATH" "$EXPR"
+tcpdump -i any -n -s 0 -W 1000 -C 50 -w "$OUTPATH" "$EXPR"