diff --git a/Makefile b/Makefile
index 317f34e..3f01893 100644
--- a/Makefile
+++ b/Makefile
@@ -81,7 +81,7 @@ planet-waterway-boatable.geojsons: planet-waterway.osm.pbf
 	mv tmp.$@ $@
 
 planet-waterway-canoeable.geojsons: planet-waterway.osm.pbf
-	osm-lump-ways -i $< -o tmp.$@ --min-length-m 100 --save-as-linestrings -f canoe∈yes,portage,permissive,designated,destination,customers,permit
+	osm-lump-ways -i $< -o tmp.$@ --min-length-m 100 --save-as-linestrings -F "canoe∈yes,portage,permissive,designated,destination,customers,permit→T; portage∈yes,permissive,designated,destination,customers,permit→T; F"
 	mv tmp.$@ $@
 
 planet-waterway-all.geojsons: planet-waterway.osm.pbf
diff --git a/dl_updates_from_osm.sh b/dl_updates_from_osm.sh
index 9f84032..84f34ba 100755
--- a/dl_updates_from_osm.sh
+++ b/dl_updates_from_osm.sh
@@ -3,7 +3,7 @@ set -o errexit -o nounset
 cd "$(dirname "$0")"
 
 echo "Starting dl_updates_from_osm.sh"
-TAG_FILTER="w/waterway w/natural=water w/canoe"
+TAG_FILTER="w/waterway w/natural=water w/canoe w/portage"
 
 if [ ! -s planet-waterway.osm.pbf ] ; then
 	if [ ! -e planet-latest.osm.pbf ] ; then
diff --git a/docs/taginfo.json b/docs/taginfo.json
index 0b0126a..a9cb935 100644
--- a/docs/taginfo.json
+++ b/docs/taginfo.json
@@ -29,13 +29,18 @@
     {
       "key": "lock",
       "value": "yes",
-      "description": "Used to calcualte if water flows through a canal or not",
+      "description": "Used to calculate if water flows through a canal or not",
       "object_types": ["way"]
     },
     {
       "key": "canoe",
       "description": "Used to calculate canoe navigable waterways view",
       "object_types": ["way"]
+    },
+    {
+      "key": "portage",
+      "description": "Used to calculate canoe navigable waterways view",
+      "object_types": ["way"]
     }
   ]
 }