diff --git a/src/scripts/managers/stationFilterManager.ts b/src/scripts/managers/stationFilterManager.ts
index 4629398..8467cee 100644
--- a/src/scripts/managers/stationFilterManager.ts
+++ b/src/scripts/managers/stationFilterManager.ts
@@ -5,10 +5,10 @@ import StorageManager from './storageManager';
 const sortStations = (a: Station, b: Station, sorter: { index: number; dir: number }) => {
   switch (sorter.index) {
     case 1:
-      if ((a.generalInfo?.reqLevel || -1 ) > (b.generalInfo?.reqLevel || -1)) return sorter.dir;
-      if ((a.generalInfo?.reqLevel || -1) < (b.generalInfo?.reqLevel || -1)) return -sorter.dir;
-
+      if ((a.generalInfo?.reqLevel || 0) > (b.generalInfo?.reqLevel || 0)) return sorter.dir;
+      if ((a.generalInfo?.reqLevel || 0) < (b.generalInfo?.reqLevel || 0)) return -sorter.dir;
       break;
+    
     case 2:
       if ((a.onlineInfo?.statusTimestamp || 0) > (b.onlineInfo?.statusTimestamp || 0)) return sorter.dir;
       if ((a.onlineInfo?.statusTimestamp || 0) < (b.onlineInfo?.statusTimestamp || 0)) return -sorter.dir;
@@ -195,15 +195,6 @@ export default class StationFilterManager {
       this.filters[prop] = !this.filters[prop];
 
     })
-
-    // for(let prop in this.filters) {
-    //   if(typeof prop !== "boolean") continue;
-
-    //   this.filters[prop] = !this.filterInitStates[prop];
-
-    //   console.log("inverted!");
-
-    // }
   }
 
   changeSorter(index: number) {
diff --git a/src/store/index.ts b/src/store/index.ts
index f6f3417..7392cf7 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -282,7 +282,7 @@ export const store = createStore<State>({
           url: station[1],
           lines: station[2],
           project: station[3],
-          reqLevel: station[4] == "" ? -1 : Number(station[4]),
+          reqLevel: station[4] == "" || station[4] === null ? -1 : Number(station[4]),
           supportersOnly: station[5] == "TAK",
           signalType: station[6],
           controlType: station[7],