diff --git a/db/clickhouse/migrations/05_add_event_data_blob.sql b/db/clickhouse/migrations/05_add_event_data_blob.sql
index 37b6fb98d..153fc0000 100644
--- a/db/clickhouse/migrations/05_add_event_data_blob.sql
+++ b/db/clickhouse/migrations/05_add_event_data_blob.sql
@@ -4,26 +4,26 @@ CREATE TABLE umami.event_data_blob
     session_id UUID,
     visit_id UUID,
     event_id UUID,
-    blob1 String,
-    blob2 String,
-    blob3 String,
-    blob4 String,
-    blob5 String,
-    blob5 String,
-    blob7 String,
-    blob8 String,
-    blob9 String,
-    blob10 String,
-    blob11 String,
-    blob12 String,
-    blob13 String,
-    blob14 String,
-    blob15 String,
-    blob16 String,
-    blob17 String,
-    blob18 String,
-    blob19 String,
-    blob20 String,
+    blob1 Nullable(String),
+    blob2 Nullable(String),
+    blob3 Nullable(String),
+    blob4 Nullable(String),
+    blob5 Nullable(String),
+    blob6 Nullable(String),
+    blob7 Nullable(String),
+    blob8 Nullable(String),
+    blob9 Nullable(String),
+    blob10 Nullable(String),
+    blob11 Nullable(String),
+    blob12 Nullable(String),
+    blob13 Nullable(String),
+    blob14 Nullable(String),
+    blob15 Nullable(String),
+    blob16 Nullable(String),
+    blob17 Nullable(String),
+    blob18 Nullable(String),
+    blob19 Nullable(String),
+    blob20 Nullable(String),
     double1 Nullable(Decimal64(4)),
     double2 Nullable(Decimal64(4)),
     double3 Nullable(Decimal64(4)),
diff --git a/db/clickhouse/schema.sql b/db/clickhouse/schema.sql
index 9aa5b7f1e..1848f5663 100644
--- a/db/clickhouse/schema.sql
+++ b/db/clickhouse/schema.sql
@@ -77,26 +77,26 @@ CREATE TABLE umami.event_data_blob
     session_id UUID,
     visit_id UUID,
     event_id UUID,
-    blob1 String,
-    blob2 String,
-    blob3 String,
-    blob4 String,
-    blob5 String,
-    blob5 String,
-    blob7 String,
-    blob8 String,
-    blob9 String,
-    blob10 String,
-    blob11 String,
-    blob12 String,
-    blob13 String,
-    blob14 String,
-    blob15 String,
-    blob16 String,
-    blob17 String,
-    blob18 String,
-    blob19 String,
-    blob20 String,
+    blob1 Nullable(String),
+    blob2 Nullable(String),
+    blob3 Nullable(String),
+    blob4 Nullable(String),
+    blob5 Nullable(String),
+    blob6 Nullable(String),
+    blob7 Nullable(String),
+    blob8 Nullable(String),
+    blob9 Nullable(String),
+    blob10 Nullable(String),
+    blob11 Nullable(String),
+    blob12 Nullable(String),
+    blob13 Nullable(String),
+    blob14 Nullable(String),
+    blob15 Nullable(String),
+    blob16 Nullable(String),
+    blob17 Nullable(String),
+    blob18 Nullable(String),
+    blob19 Nullable(String),
+    blob20 Nullable(String),
     double1 Nullable(Decimal64(4)),
     double2 Nullable(Decimal64(4)),
     double3 Nullable(Decimal64(4)),
diff --git a/src/queries/analytics/eventData/saveEventData.ts b/src/queries/analytics/eventData/saveEventData.ts
index 490b15223..c2f83a0d6 100644
--- a/src/queries/analytics/eventData/saveEventData.ts
+++ b/src/queries/analytics/eventData/saveEventData.ts
@@ -91,6 +91,7 @@ async function clickhouseQuery(data: {
     event_id: eventId,
     visit_id: visitId,
     event_name: eventName,
+    created_at: createdAt ?? getDateFormat(new Date()),
   };
   jsonBlobs.blobs.forEach((blob, i) => {
     if (i >= 20) return; // 20 is the max number of blobs