diff --git a/contrib/pf/pflogd/pflogd.c b/contrib/pf/pflogd/pflogd.c
index de8d4acfa585..2b1b0df769a7 100644
--- a/contrib/pf/pflogd/pflogd.c
+++ b/contrib/pf/pflogd/pflogd.c
@@ -375,7 +375,7 @@ try_reset_dump(int nomove)
 		hdr.magic = TCPDUMP_MAGIC;
 		hdr.version_major = PCAP_VERSION_MAJOR;
 		hdr.version_minor = PCAP_VERSION_MINOR;
-		hdr.thiszone = hpcap->tzoff;
+		hdr.thiszone = 0;
 		hdr.snaplen = hpcap->snapshot;
 		hdr.sigfigs = 0;
 		hdr.linktype = hpcap->linktype;