diff --git a/cpuinfo/all/usr/bin/cpuinfo.sh b/cpuinfo/all/usr/bin/cpuinfo.sh
index 6e53c70..188086e 100755
--- a/cpuinfo/all/usr/bin/cpuinfo.sh
+++ b/cpuinfo/all/usr/bin/cpuinfo.sh
@@ -11,10 +11,12 @@ FAMILY=""
 SERIES="$(echo $(grep 'model name' /proc/cpuinfo 2>/dev/null | head -1 | cut -d: -f2))"
 CORES="$(grep 'cpu cores' /proc/cpuinfo 2>/dev/null | wc -l)"
 SPEED="$(echo $(($(grep 'model name' /proc/cpuinfo 2>/dev/null | head -1 | cut -d: -f2 | awk '{print $NF}' | tr -d -c 0-9) * 10)))"
-[ -n "${SPEED}" ] && SPEED="$(echo $(grep 'cpu MHz' /proc/cpuinfo 2>/dev/null | head -1 | cut -d: -f2))"
-while [ ${SPEED} -lt 1000 ]; do
-  SPEED="$((${SPEED} * 10))"
-done
+if [ -z "${SPEED}" ] || [ ${SPEED} -eq 0 ]; then
+  SPEED="$(echo $(grep 'cpu MHz' /proc/cpuinfo 2>/dev/null | head -1 | cut -d: -f2))"
+  while [ ${SPEED} -lt 1000 ]; do
+    SPEED="$((${SPEED} * 10))"
+  done
+fi
 
 FILE_JS="/usr/syno/synoman/webman/modules/AdminCenter/admin_center.js"
 FILE_GZ="${FILE_JS}.gz"