diff --git a/components/src/preact/numberSequencesOverTime/__mockData__/twoVariantsEG.json b/components/src/preact/numberSequencesOverTime/__mockData__/twoVariantsEG.json
index 8aaa3ec4..b2101d4f 100644
--- a/components/src/preact/numberSequencesOverTime/__mockData__/twoVariantsEG.json
+++ b/components/src/preact/numberSequencesOverTime/__mockData__/twoVariantsEG.json
@@ -244,10 +244,6 @@
             "count": 416,
             "date": "2023-09-18"
         },
-        {
-            "count": 208,
-            "date": null
-        },
         {
             "count": 271,
             "date": "2023-09-15"
@@ -624,10 +620,6 @@
             "count": 313,
             "date": "2023-10-26"
         },
-        {
-            "count": 1,
-            "date": "2022-01-23"
-        },
         {
             "count": 91,
             "date": "2023-12-31"
diff --git a/components/src/web-components/visualization/gs-number-sequences-over-time.stories.ts b/components/src/web-components/visualization/gs-number-sequences-over-time.stories.ts
index 442d3461..001f442c 100644
--- a/components/src/web-components/visualization/gs-number-sequences-over-time.stories.ts
+++ b/components/src/web-components/visualization/gs-number-sequences-over-time.stories.ts
@@ -157,6 +157,7 @@ export const TwoDatasets: StoryObj<NumberSequencesOverTimeProps> = {
                         body: {
                             country: 'USA',
                             pangoLineage: 'EG*',
+                            dateFrom: '2022-10-01',
                             fields: ['date'],
                         },
                     },