diff --git a/plugins/router/mikrotik_system b/plugins/router/mikrotik_system
index 0346ebcf..67805a34 100755
--- a/plugins/router/mikrotik_system
+++ b/plugins/router/mikrotik_system
@@ -345,13 +345,13 @@ function get_memory_value {
   while read -r line; do
     echo "$line" | awk '/total-memory:/{
         gsub(/MiB/,"",$2);
-        printf "total_memory.value %d\n", $2
+        printf "total_memory.value %.0f\n", $2
       }'
   done <<< "$data"
   while read -r line; do
     echo "$line" | awk '/free-memory:/{
         gsub(/MiB/,"",$2);
-        printf "free_memory.value %d\n", $2
+        printf "free_memory.value %.0f\n", $2
       }'
   done <<< "$data"
   # berechne used-memory