diff --git a/plugins/router/mikrotik_system b/plugins/router/mikrotik_system
index 40be3f9e..b444719c 100755
--- a/plugins/router/mikrotik_system
+++ b/plugins/router/mikrotik_system
@@ -77,11 +77,11 @@ function get_name {
 }
 function get_ros_version {
   while read -r line; do
-    if echo "$line" | grep -q 'version:'; then
-      if echo "$line" | cut -f2 -d" " | grep --quiet "^7\."; then
-        ros_version="7"
-      else
+    if echo "$line" | grep -q 'version: '; then
+      if echo "$line" | awk '/version:/{print $2}' | grep -q  "^[0-6]\."; then
         ros_version="6"
+      else
+        ros_version="7"
       fi
     fi
   done <<< "$data"