diff --git a/files/initrd/opt/arc/arc.sh b/files/initrd/opt/arc/arc.sh
index 8807b021..43259bbf 100755
--- a/files/initrd/opt/arc/arc.sh
+++ b/files/initrd/opt/arc/arc.sh
@@ -35,7 +35,7 @@ if ! grep -q "^flags.*acpi.*" /proc/cpuinfo; then
 else
   ACPISYS="true"
 fi
-if $(ls -ltr /sys/devices/system/cpu/cpufreq/* 2>/dev/null | wc -l) -gt 0; then
+if [ $(ls -ltr /sys/devices/system/cpu/cpufreq/* 2>/dev/null | wc -l) -gt 0 ]; then
   CPUFREQ="true"
 else
   CPUFREQ="false"