diff --git a/files/initrd/opt/arc/include/functions.sh b/files/initrd/opt/arc/include/functions.sh
index 1fc146d0..1ad9822e 100755
--- a/files/initrd/opt/arc/include/functions.sh
+++ b/files/initrd/opt/arc/include/functions.sh
@@ -557,4 +557,7 @@ function systemCheck () {
   else
     CPUFREQ="false"
   fi
+  # Check for Arc Patch
+  ARCCONF="$(readConfigKey "${MODEL:-SA6400}.serial" "${S_FILE}")"
+  [ -z "${ARCCONF}" ] && writeConfigKey "arc.patch" "false" "${USER_CONFIG_FILE}"
 }
\ No newline at end of file