diff --git a/.env.development b/.env.development
index 07480498e..dc25ac32b 100644
--- a/.env.development
+++ b/.env.development
@@ -24,4 +24,4 @@ NEXT_PUBLIC_USE_MOCKS=true
 # z.B. http://10.10.0.13/xyz/index.aspx -> basePath in config.json auf /xyz setzen
 # basePath wird jetzt in public/config.json gepflegt
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.1.338
+NEXT_PUBLIC_APP_VERSION=1.1.339
diff --git a/.env.production b/.env.production
index 33a696788..3cfd6abde 100644
--- a/.env.production
+++ b/.env.production
@@ -25,4 +25,4 @@ NEXT_PUBLIC_USE_MOCKS=false
 # basePath wird jetzt in public/config.json gepflegt
 
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.1.338
+NEXT_PUBLIC_APP_VERSION=1.1.339
diff --git a/components/mainComponent/MapComponent.js b/components/mainComponent/MapComponent.js
index 2b82c779e..5c7fb6d2d 100644
--- a/components/mainComponent/MapComponent.js
+++ b/components/mainComponent/MapComponent.js
@@ -97,6 +97,7 @@ const MapComponent = ({ locations, onLocationUpdate, lineCoordinates }) => {
   const countdownActive = useSelector(state => state.polylineContextMenu.countdownActive);
   const isPolylineContextMenuOpen = useSelector(state => state.polylineContextMenu.isOpen);
   const polylineVisible = useSelector(selectPolylineVisible);
+  const polylineInitialized = useSelector(state => state.polylineLayerVisible.isInitialized);
   const GisSystemStatic = useSelector(selectGisSystemStatic);
   // Prüfen, ob TALAS (IdSystem 1) erlaubt ist
   const isTalasAllowed = Array.isArray(GisSystemStatic)
@@ -456,6 +457,7 @@ const MapComponent = ({ locations, onLocationUpdate, lineCoordinates }) => {
     newCoords,
     tempMarker,
     polylineVisible,
+    polylineInitialized,
     isTalasAllowed,
     poiLayerVisible,
   ]);
diff --git a/components/uiWidgets/mapLayersControlPanel/MapLayersControlPanel.js b/components/uiWidgets/mapLayersControlPanel/MapLayersControlPanel.js
index 561327fbf..a21835905 100644
--- a/components/uiWidgets/mapLayersControlPanel/MapLayersControlPanel.js
+++ b/components/uiWidgets/mapLayersControlPanel/MapLayersControlPanel.js
@@ -6,6 +6,7 @@ import { useSelector, useDispatch } from "react-redux";
 import {
   selectPolylineVisible,
   setPolylineVisible,
+  initializePolylineFromLocalStorageThunk,
 } from "@/redux/slices/database/polylines/polylineLayerVisibleSlice";
 import { selectGisSystemStatic } from "@/redux/slices/webservice/gisSystemStaticSlice";
 import { selectGisStationsStaticDistrict } from "@/redux/slices/webservice/gisStationsStaticDistrictSlice";
@@ -14,6 +15,8 @@ import { setVisible } from "@/redux/slices/database/pois/poiLayerVisibleSlice";
 import { incrementZoomTrigger } from "@/redux/slices/zoomTriggerSlice";
 
 function MapLayersControlPanel() {
+  // Dummy state to force re-render after checkbox click (workaround for Redux/localStorage sync)
+  const [forceUpdate, setForceUpdate] = useState(0);
   const [editMode, setEditMode] = useState(false); // Zustand für editMode
   const [localStorageLoaded, setLocalStorageLoaded] = useState(false); // Tracking ob localStorage geladen wurde
   const kabelstreckenVisible = useSelector(selectPolylineVisible); // Redux State für Kabelstrecken
@@ -41,8 +44,10 @@ function MapLayersControlPanel() {
   const handlePolylineCheckboxChange = event => {
     const checked = event.target.checked;
     dispatch(setPolylineVisible(checked));
-    dispatch(setPolylineVisible(checked));
+    // Synchronisiere Redux nach localStorage-Update
     setTimeout(() => {
+      dispatch(initializePolylineFromLocalStorageThunk());
+      setForceUpdate(f => f + 1); // Force re-render
       const event = new Event("polylineVisibilityChanged");
       window.dispatchEvent(event);
     }, 100);
diff --git a/nodemap-1.1.337.zip b/nodemap-1.1.337.zip
deleted file mode 100644
index a71f9624a..000000000
Binary files a/nodemap-1.1.337.zip and /dev/null differ
diff --git a/package-lock.json b/package-lock.json
index 799aa6058..10a98e413 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "nodemap",
-  "version": "1.1.338",
+  "version": "1.1.339",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "nodemap",
-      "version": "1.1.338",
+      "version": "1.1.339",
       "dependencies": {
         "@emotion/react": "^11.13.3",
         "@emotion/styled": "^11.13.0",
diff --git a/package.json b/package.json
index 53d390a5b..5d83238e7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nodemap",
-  "version": "1.1.338",
+  "version": "1.1.339",
   "dependencies": {
     "@emotion/react": "^11.13.3",
     "@emotion/styled": "^11.13.0",