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-rw-r--r--src/resolve/resolved-dns-packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c
index ea0be56d98..a8ad8fe342 100644
--- a/src/resolve/resolved-dns-packet.c
+++ b/src/resolve/resolved-dns-packet.c
@@ -720,7 +720,7 @@ int dns_packet_append_opt(DnsPacket *p, uint16_t max_udp_size, bool edns0_do, in
goto fail;
/* RDLENGTH */
- if (edns0_do & !DNS_PACKET_QR(p)) {
+ if (edns0_do && !DNS_PACKET_QR(p)) {
/* If DO is on and this is not a reply, also append RFC6975 Algorithm data */
static const uint8_t rfc6975[] = {