diff --git a/docs/FreeBedsChartView.js b/docs/FreeBedsChartView.js
index e6d2d05a6fc..822e556596a 100644
--- a/docs/FreeBedsChartView.js
+++ b/docs/FreeBedsChartView.js
@@ -27,7 +27,7 @@ class FreeBedsChartView {
                     label: 'Anteil freier Betten',
                     data: data,
                     parsing: {
-                        yAxisKey: 'free_beds_divided_by_all_beds'
+                        yAxisKey: 'free_beds_divided_by_all_beds_in_percent'
                     },
                     backgroundColor: 'rgba(0, 255, 0, 1)'
                 }
diff --git a/docs/intensivstationen.html b/docs/intensivstationen.html
index f066b15a089..474f5bfedd9 100644
--- a/docs/intensivstationen.html
+++ b/docs/intensivstationen.html
@@ -66,11 +66,12 @@
                 kreisText: selectedOption.text,
                 kreisValue: selectedOption.value
               });
+            // FK-TODO: extract method
             fetch(`data/intensivstationen/intensivstationen-${selectedOption.value}.json`)
               .then(response => response.json())
               .then(json => {
                 for (const dataElement of json.data) {
-                  dataElement.free_beds_divided_by_all_beds = dataElement.betten_frei / (dataElement.betten_frei + dataElement.betten_belegt) * 100;
+                  dataElement.free_beds_divided_by_all_beds_in_percent = dataElement.betten_frei / (dataElement.betten_frei + dataElement.betten_belegt) * 100;
                 }
                 freeBedsChartView.displayChart({ data: json.data, title: selectedOption.text });
               });
@@ -87,7 +88,7 @@
           .then(response => response.json())
           .then(json => {
             for (const dataElement of json.data) {
-              dataElement.free_beds_divided_by_all_beds = dataElement.betten_frei / (dataElement.betten_frei + dataElement.betten_belegt) * 100;
+              dataElement.free_beds_divided_by_all_beds_in_percent = dataElement.betten_frei / (dataElement.betten_frei + dataElement.betten_belegt) * 100;
             }
             freeBedsChartView.displayChart({ data: json.data, title: 'Alle Landkreise' });
           });