diff --git a/src/main/java/com/swyp/picke/domain/admin/analytics/SentryClient.java b/src/main/java/com/swyp/picke/domain/admin/analytics/SentryClient.java
index 478b21b..55174b3 100644
--- a/src/main/java/com/swyp/picke/domain/admin/analytics/SentryClient.java
+++ b/src/main/java/com/swyp/picke/domain/admin/analytics/SentryClient.java
@@ -339,7 +339,7 @@ private java.util.Optional<SentryIssueReport.AnalyticsEventSeries> analyticsEven
             return java.util.Optional.empty();
         }
         List<SentryIssueReport.AnalyticsEventDay> days = signUps.days().stream()
-                .map(day -> new SentryIssueReport.AnalyticsEventDay(day.date(), day.events(), 0L))
+                .map(day -> new SentryIssueReport.AnalyticsEventDay(day.date(), day.events(), null))
                 .toList();
         Instant firstSeen = signUps.days().stream()
                 .filter(day -> day.events() > 0)
diff --git a/src/test/java/com/swyp/picke/domain/admin/analytics/SentryClientTest.java b/src/test/java/com/swyp/picke/domain/admin/analytics/SentryClientTest.java
index 6bae5f5..2336945 100644
--- a/src/test/java/com/swyp/picke/domain/admin/analytics/SentryClientTest.java
+++ b/src/test/java/com/swyp/picke/domain/admin/analytics/SentryClientTest.java
@@ -244,6 +244,9 @@ void fetchesEveryProjectWithAbsoluteRange() {
                             SentryIssueReport.AnalyticsEventSeries::total,
                             SentryIssueReport.AnalyticsEventSeries::uniqueUsers)
                 .containsExactly(tuple("sign_up", 6L, null));
+        assertThat(result.projects().getFirst().analyticsEvents().events().getFirst().days())
+                .extracting(SentryIssueReport.AnalyticsEventDay::uniqueUsers)
+                .containsOnlyNulls();
         assertThat(result.projects().getFirst().metricCatalog().entries().getFirst())
                 .containsEntry("name", "app.launch.count")
                 .containsEntry("count", 8);