diff --git a/src/lib/components/ui_transverse_components/piece_of_cake/VerticalLine.svelte b/src/lib/components/ui_transverse_components/piece_of_cake/VerticalLine.svelte
index edce2572e0c92123db6e0234f36df7a674d90ee3..71744754b1d77570e419f40690689f3ff0c6cc09 100644
--- a/src/lib/components/ui_transverse_components/piece_of_cake/VerticalLine.svelte
+++ b/src/lib/components/ui_transverse_components/piece_of_cake/VerticalLine.svelte
@@ -25,9 +25,10 @@
 
   const personEntity = entityByKey[personEntityKey]
 
-  let variableOfInterest = $derived(situation.sliders![0].name)
-  let min = $derived(situation.sliders![0].min)
-  let max = $derived(situation.sliders![0].max)
+  let variableOfInterest = $derived(situation.slider!.name)
+  let min = $derived(situation.slider!.min)
+  let max = $derived(situation.slider!.max)
+
   let personSituation = $derived(
     situation[personEntity.key_plural!] as {
       [populationId: string]: PopulationWithoutId