diff --git a/opnsense-config/src/modules/dnsmasq.rs b/opnsense-config/src/modules/dnsmasq.rs
index 5529300..c762f82 100644
--- a/opnsense-config/src/modules/dnsmasq.rs
+++ b/opnsense-config/src/modules/dnsmasq.rs
@@ -296,7 +296,7 @@ dhcp-boot=tag:efi,tag:!ipxe,{efi_filename}{tftp_str}
 dhcp-boot=tag:ipxe,{ipxe_filename}{tftp_str}
 
 # Provide undionly to legacy bios clients
-dhcp-boot=tag:bios,{bios_filename}{tftp_str}
+dhcp-boot=tag:bios,tag:!ipxe,{bios_filename}{tftp_str}
 "
         );
         info!("Writing configuration file to {DNS_MASQ_PXE_CONFIG_FILE}");