diff --git a/docs/FreeBedsChartView.js b/docs/FreeBedsChartView.js
index c50f3d8069e..b5a3becb8aa 100644
--- a/docs/FreeBedsChartView.js
+++ b/docs/FreeBedsChartView.js
@@ -90,7 +90,11 @@ class FreeBedsChartView {
                 x: {
                     type: 'time',
                     time: {
-                        unit: 'month'
+                        tooltipFormat: 'DD.MM.YYYY',
+                        unit: 'month',
+                        displayFormats: {
+                            'month': 'MMM YYYY'
+                        }
                     }
                 },
                 y: {
diff --git a/docs/IntensiveCareCapacitiesChartView.js b/docs/IntensiveCareCapacitiesChartView.js
index 4b815e41822..931bcb1dd15 100644
--- a/docs/IntensiveCareCapacitiesChartView.js
+++ b/docs/IntensiveCareCapacitiesChartView.js
@@ -57,7 +57,11 @@ class IntensiveCareCapacitiesChartView {
                     stacked: true,
                     type: 'time',
                     time: {
-                        unit: 'month'
+                        tooltipFormat: 'DD.MM.YYYY',
+                        unit: 'month',
+                        displayFormats: {
+                            'month': 'MMM YYYY'
+                        }
                     }
                 },
                 y: {