diff --git a/js/plugin/Heightgraph.js b/js/plugin/Heightgraph.js
index ecc94e8..c911ffd 100644
--- a/js/plugin/Heightgraph.js
+++ b/js/plugin/Heightgraph.js
@@ -110,7 +110,7 @@ BR.Heightgraph = function(map, layersControl, routing, pois) {
         update: function(track, layer) {
             // bring height indicator to front, because of track casing in BR.Routing
             if (this._mouseHeightFocus) {
-                var g = this._mouseHeightFocus[0][0].parentNode;
+                var g = this._mouseHeightFocus._groups[0][0].parentNode;
                 g.parentNode.appendChild(g);
             }
 
diff --git a/package.json b/package.json
index 839da45..0fcdac6 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
         "lint": "eslint .",
         "prettier": "prettier --write '**/*'",
         "serve": "gulp serve watch",
-        "standalone": "mvn clean install -f ../brouter -pl '!brouter-routing-app' -Dmaven.javadoc.skip=true && ../brouter/misc/scripts/generate_profile_variants.sh && gulp release:zip_standalone"
+        "standalone": "mvn clean install -f ../brouter -pl '!brouter-routing-app' -Dmaven.javadoc.skip=true && ../brouter/misc/scripts/generate_profile_variants.sh && gulp release:zip_standalone",
+        "postinstall": "patch-package"
     },
     "husky": {
         "hooks": {
@@ -66,7 +67,7 @@
         "leaflet-routing": "nrenner/leaflet-routing#e94e153",
         "leaflet-sidebar-v2": "nrenner/leaflet-sidebar-v2#dev",
         "leaflet-triangle-marker": "^1.0.2",
-        "leaflet.heightgraph": "^1.3.2",
+        "leaflet.heightgraph": "1.3.3",
         "leaflet.locatecontrol": "^0.60.0",
         "leaflet.snogylop": "^0.4.0",
         "leaflet.stravasegments": "2.3.2",
@@ -108,6 +109,8 @@
         "merge-stream": "^2.0.0",
         "node-fetch": "^2.6.1",
         "npmfiles": "^0.1.1",
+        "patch-package": "^6.2.2",
+        "postinstall-postinstall": "^2.1.0",
         "prettier": "^1.17.1",
         "pretty-quick": "^1.10.0"
     },
diff --git a/patches/leaflet.heightgraph+1.3.3.patch b/patches/leaflet.heightgraph+1.3.3.patch
new file mode 100644
index 0000000..40cd1ea
--- /dev/null
+++ b/patches/leaflet.heightgraph+1.3.3.patch
@@ -0,0 +1,28 @@
+diff --git a/node_modules/leaflet.heightgraph/dist/L.Control.Heightgraph.js b/node_modules/leaflet.heightgraph/dist/L.Control.Heightgraph.js
+index 122c9ac..1a966af 100644
+--- a/node_modules/leaflet.heightgraph/dist/L.Control.Heightgraph.js
++++ b/node_modules/leaflet.heightgraph/dist/L.Control.Heightgraph.js
+@@ -1282,10 +1282,10 @@ function schedule(node, name, id, index, group, timing) {
+     group: group, // For context during callback.
+     on: emptyOn,
+     tween: emptyTween,
+-    time: timing.time,
+-    delay: timing.delay,
+-    duration: timing.duration,
+-    ease: timing.ease,
++    time: timing ? timing.time : 0,
++    delay: timing ? timing.delay : 0,
++    duration: timing ? timing.duration : 0,
++    ease: timing ? timing.ease : null,
+     timer: null,
+     state: CREATED
+   });
+@@ -3062,7 +3062,7 @@ function initRange(domain, range) {
+ 
+ var prefix = "$";
+ 
+-function Map() {}
++// function Map() {}
+ 
+ Map.prototype = map.prototype = {
+   constructor: Map,
diff --git a/yarn.lock b/yarn.lock
index 3ecff54..56b74d3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1236,6 +1236,11 @@
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
   integrity sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==
 
+"@yarnpkg/lockfile@^1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz#e77a97fbd345b76d83245edcd17d393b1b41fb31"
+  integrity sha512-GpSwvyXOcOOlV70vbnzjj4fW5xW/FdUF6nQEt1ENy7m4ZCczi1+/buVUPAqmGfqznsORNFzUMjctTIp8a9tuCQ==
+
 JSV@^4.0.x:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/JSV/-/JSV-4.0.2.tgz#d077f6825571f82132f9dffaed587b4029feff57"
@@ -3362,6 +3367,14 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+find-yarn-workspace-root@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/find-yarn-workspace-root/-/find-yarn-workspace-root-1.2.1.tgz#40eb8e6e7c2502ddfaa2577c176f221422f860db"
+  integrity sha512-dVtfb0WuQG+8Ag2uWkbG79hOUzEsRrhBzgfn86g2sJPkzmcpGdghbNTfUKGTxymFrY/tLIodDzLoW9nOJ4FY8Q==
+  dependencies:
+    fs-extra "^4.0.3"
+    micromatch "^3.1.4"
+
 findup-sync@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-2.0.0.tgz#9326b1488c22d1a6088650a86901b2d9a90a2cbc"
@@ -3496,6 +3509,24 @@ fs-extra@3.0.1:
     jsonfile "^3.0.0"
     universalify "^0.1.0"
 
+fs-extra@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
+  integrity sha512-q6rbdDd1o2mAnQreO7YADIxf/Whx4AHBiRf6d+/cVT8h44ss+lHgxf1FemcqDnQt9X3ct4McHr+JMGlYSsK7Cg==
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
+fs-extra@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
+  integrity sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
 fs-minipass@^1.2.5:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
@@ -4764,6 +4795,13 @@ jsonfile@^3.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
+  integrity sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsonlint@^1.6.2:
   version "1.6.3"
   resolved "https://registry.yarnpkg.com/jsonlint/-/jsonlint-1.6.3.tgz#cb5e31efc0b78291d0d862fbef05900adf212988"
@@ -4823,6 +4861,13 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
   integrity sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==
 
+klaw-sync@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/klaw-sync/-/klaw-sync-6.0.0.tgz#1fd2cfd56ebb6250181114f0a581167099c2b28c"
+  integrity sha512-nIeuVSzdCCs6TDPTqI8w1Yre34sSq7AkZ4B3sfOBbI2CgVSB4Du4aLQijFU2+lhAFCwt9+42Hel6lQNIv6AntQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+
 last-run@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
@@ -4926,10 +4971,10 @@ leaflet-triangle-marker@^1.0.2:
   resolved "https://registry.yarnpkg.com/leaflet-triangle-marker/-/leaflet-triangle-marker-1.0.2.tgz#e4c5f1d09d10ae078f8fba87aa32e5884017ad96"
   integrity sha512-J2Xa5UgUV6rU04bcwAdQRptnLm7nSxDtxqfX0Nzb+tz6p3buyEEBkXdOvEgzD6ghuII6BVSXFb4QP8cyVKigXg==
 
-leaflet.heightgraph@^1.3.2:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/leaflet.heightgraph/-/leaflet.heightgraph-1.3.2.tgz#efec1c8c3cf2dad6c97761d8954043ff8f7ded27"
-  integrity sha512-GdNQdkxJziBItFwWPN8teeg4UUzQWEizh5w7VU9JJ8VNMSfqVCvk/D4aOFL6OhTAamUbFSYn6FWQAuyOJvQlSg==
+leaflet.heightgraph@1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/leaflet.heightgraph/-/leaflet.heightgraph-1.3.3.tgz#14b8bac70ac16863991c16f5d6b772aad8034fbd"
+  integrity sha512-jr6xDmiTBvIIu1WLI0q0rt9E30H1VVTxncHAaojcpsZeDvYyBZyBsgoeEi8ouJVP9OolCfNQTCyPbNR73tKgqg==
   dependencies:
     leaflet "^1.6.0"
 
@@ -5931,6 +5976,24 @@ pascalcase@^0.1.1:
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
   integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
 
+patch-package@^6.2.2:
+  version "6.2.2"
+  resolved "https://registry.yarnpkg.com/patch-package/-/patch-package-6.2.2.tgz#71d170d650c65c26556f0d0fbbb48d92b6cc5f39"
+  integrity sha512-YqScVYkVcClUY0v8fF0kWOjDYopzIM8e3bj/RU1DPeEF14+dCGm6UeOYm4jvCyxqIEQ5/eJzmbWfDWnUleFNMg==
+  dependencies:
+    "@yarnpkg/lockfile" "^1.1.0"
+    chalk "^2.4.2"
+    cross-spawn "^6.0.5"
+    find-yarn-workspace-root "^1.2.1"
+    fs-extra "^7.0.1"
+    is-ci "^2.0.0"
+    klaw-sync "^6.0.0"
+    minimist "^1.2.0"
+    rimraf "^2.6.3"
+    semver "^5.6.0"
+    slash "^2.0.0"
+    tmp "^0.0.33"
+
 path-dirname@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
@@ -6154,6 +6217,11 @@ postcss@^6.0.0, postcss@^6.0.23:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
+postinstall-postinstall@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/postinstall-postinstall/-/postinstall-postinstall-2.1.0.tgz#4f7f77441ef539d1512c40bd04c71b06a4704ca3"
+  integrity sha512-7hQX6ZlZXIoRiWNrbMQaLzUUfH+sSx39u8EJ9HYuDc1kLo9IXKWjM5RSquZN1ad5GnH8CGFM78fsAAQi3OKEEQ==
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -6705,7 +6773,7 @@ rimraf@2.6.3, rimraf@^2.2.8:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^2.6.1:
+rimraf@^2.6.1, rimraf@^2.6.3:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -6946,6 +7014,11 @@ skmeans@0.9.7:
   resolved "https://registry.yarnpkg.com/skmeans/-/skmeans-0.9.7.tgz#72670cebb728508f56e29c0e10d11e623529ce5d"
   integrity sha512-hNj1/oZ7ygsfmPZ7ZfN5MUBRoGg1gtpnImuJBgLO0ljQ67DtJuiQaiYdS4lUA6s0KCwnPhGivtC/WRwIZLkHyg==
 
+slash@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
+  integrity sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==
+
 slash@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"