diff --git a/build_maxlen_filter.sh b/build_maxlen_filter.sh
index 6c1ba43..6c99d42 100755
--- a/build_maxlen_filter.sh
+++ b/build_maxlen_filter.sh
@@ -10,6 +10,7 @@ if [ ! "$1" ]; then
     echo ""
     echo "Options:"
     echo "babeld - [with-deny]"
+    echo "babeld-uci  - [with-deny]"
     echo "bird - [prefix-list]"
     exit 1
 fi
@@ -35,6 +36,11 @@ for file in *.json; do
             if [ "$2" == "with-deny" ]; then
                 filter="${filter}in ip $prefix deny\n"
             fi
+        elif [ "$1" == "babeld-uci" ]; then
+            filter="${filter}config filter\n\toption 'type'\t'in'\n\toption 'ip'\t'$prefix'\n\toption 'le'\t'$maxlen'\n\toption 'action'\t'allow'\n\n"
+            if [ "$2" == "with-deny" ]; then
+                filter="${filter}config filter\n\toption 'type'\t'in'\n\toption 'ip'\t'$prefix'\n\toption 'action'\t'deny'\n\n"
+            fi
         fi
     done
 done
@@ -42,6 +48,8 @@ done
 if [ "$filter" == "" ]; then
     echo "Failed: Filter seems empty"
     exit 1
+elif [ "$1" == "babeld-uci" ]; then
+    filter=${filter::-4}
 elif [ "$1" == "bird" ]; then
     filter=${filter::-3}
 elif [ "$1" == "babeld" ]; then