diff --git a/src/UI/BigComponents/LevelSelector.svelte b/src/UI/BigComponents/LevelSelector.svelte
index 1a1ca1129..c63bb3883 100644
--- a/src/UI/BigComponents/LevelSelector.svelte
+++ b/src/UI/BigComponents/LevelSelector.svelte
@@ -11,14 +11,15 @@
   export let zoom: Store<number>
   const maxZoom = 16
 
+  const all = "All"
   let floorWithAll = floors.mapD(floors => {
     if (floors.length > 1) {
-      return [...floors, "All"]
+      return [...floors, all]
     }
     return floors
   })
 
-  let selectedFloor: UIEventSource<string> = new UIEventSource<string>(undefined)
+  let selectedFloor: UIEventSource<string> = new UIEventSource<string>(all)
 
   selectedFloor.stabilized(5).map(
     (floor) => {
@@ -26,7 +27,7 @@
         // Only a single floor is visible -> disable the 'level' global filter
         // OR we might have zoomed out to much ant want to show all
         layerState.setLevelFilter(undefined)
-      } else if (floor === "All") {
+      } else if (floor === all) {
         layerState.setLevelFilter(undefined)
       } else {
         layerState.setLevelFilter(floor)