diff --git a/run/serial.sh b/run/serial.sh
index 148178a..3af2e75 100644
--- a/run/serial.sh
+++ b/run/serial.sh
@@ -12,7 +12,7 @@ set -Eeuo pipefail
 : ${HOST_TIMESTAMP:=''}
 
 if [ -z "$HOST_CPU" ]; then
-  HOST_CPU=$(lscpu | sed -nr '/Model name/ s/.*:\s*(.*) @ .*/\1/p' | sed ':a;s/  / /;ta' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
+  HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
 fi
 
 if [ -n "$HOST_CPU" ]; then