diff --git a/serial.sh b/serial.sh
index b9a8128..72ff40f 100644
--- a/serial.sh
+++ b/serial.sh
@@ -30,15 +30,15 @@ if [ -z "$GUEST_SERIAL" ]; then
   GUEST_SERIAL=$(cat "${FILE}")
 fi
 
-CPU=$(lscpu | sed -nr '/Model name/ s/.*:\s*(.*) @ .*/\1/p' | sed ':a;s/  / /;ta')
+CPU=$(lscpu | sed -nr '/Model name/ s/.*:\s*(.*) @ .*/\1/p' | sed ':a;s/  / /;ta' | sed s/"(R)"//g | sed s/"-"//g | sed 's/[^[:alnum:]]\+//g')
 [ -z "$CPU" ] && CPU="QEMU, Virtual CPU, X86_64"
 
-./run/serial.bin -cpu=$CPU_CORES \
-                -cpu_arch=\"${CPU}\" \
+./run/serial.bin -cpu="${CPU_CORES}" \
+                -cpu_arch="${CPU}" \
                 -buildnumber=42962 \
-                -vmmts="1679863686" \
-                -hostsn=\"${HOST_SERIAL}\" \
-                -guestsn=\"${GUEST_SERIAL}\" \
+                -vmmts=1679863686 \
+                -hostsn="${HOST_SERIAL}" \
+                -guestsn="${GUEST_SERIAL}" \
                 -vmmversion="2.6.1-12139" \
                 -guestuuid="ba13a19a-c0c1-4fef-9346-915ed3b98341" > /dev/null 2>&1 &