diff --git a/src/config.sh b/src/config.sh
index 553b3d7..84d596c 100644
--- a/src/config.sh
+++ b/src/config.sh
@@ -14,7 +14,10 @@ RAM_OPTS=$(echo "-m ${RAM_SIZE^^}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
 MON_OPTS="-monitor $MONITOR -name $PROCESS,process=$PROCESS,debug-threads=on"
 [ -n "$USB" ] && [[ "${USB,,}" != "no"* ]] && USB_OPTS="-device $USB -device usb-kbd -device usb-tablet"
 MAC_OPTS="-machine type=${MACHINE},secure=${SECURE},dump-guest-core=off${KVM_OPTS}"
+
 [ -n "$UUID" ] && MAC_OPTS+=" -uuid $UUID"
+[ -s "$SM_BIOS" ] && MAC_OPTS+=" -smbios file=$SM_BIOS"
+
 DEV_OPTS="-object rng-random,id=objrng0,filename=/dev/urandom"
 DEV_OPTS+=" -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0"