diff --git a/serial.sh b/serial.sh
index 20c5786..363f385 100644
--- a/serial.sh
+++ b/serial.sh
@@ -30,13 +30,16 @@ if [ -z "$GUEST_SERIAL" ]; then
   GUEST_SERIAL=$(cat "${FILE}")
 fi
 
+CPU=$(lscpu | sed -nr '/Model name/ s/.*:\s*(.*) @ .*/\1/p' | sed ':a;s/  / /;ta')
+[ -z "$CPU" ] && CPU="QEMU, Virtual CPU, X86_64"
+
 ./run/serial.bin -cpu=$CPU_CORES \
+                -cpu_arch="$CPU" \
                 -buildnumber=42962 \
                 -vmmts="1679863686" \
                 -hostsn="$HOST_SERIAL" \
                 -guestsn="$GUEST_SERIAL" \
                 -vmmversion="2.6.1-12139" \
-                -cpu_arch="QEMU, Virtual CPU, X86_64" \
                 -guestuuid="ba13a19a-c0c1-4fef-9346-915ed3b98341" > /dev/null 2>&1 &
 
 KVM_SERIAL_OPTS="\