diff --git a/src/ap/dhcp_snoop.c b/src/ap/dhcp_snoop.c
index 703a59960..c5e37fb4f 100644
--- a/src/ap/dhcp_snoop.c
+++ b/src/ap/dhcp_snoop.c
@@ -36,7 +36,7 @@ struct bootp_pkt {
 	u8 serv_name[64];
 	u8 boot_file[128];
 	u8 exten[312];
-};
+} STRUCT_PACKED;
 
 #define DHCPACK	5
 static const u8 ic_bootp_cookie[] = { 99, 130, 83, 99 };
diff --git a/src/ap/ndisc_snoop.c b/src/ap/ndisc_snoop.c
index b29cc70ed..755621c56 100644
--- a/src/ap/ndisc_snoop.c
+++ b/src/ap/ndisc_snoop.c
@@ -30,7 +30,7 @@ struct icmpv6_ndmsg {
 	u8 opt_type;
 	u8 len;
 	u8 opt_lladdr[0];
-};
+} STRUCT_PACKED;
 
 #define ROUTER_ADVERTISEMENT	134
 #define NEIGHBOR_SOLICITATION	135