diff --git a/backend/pkg/messages/get_timestamp.go b/backend/pkg/messages/get_timestamp.go
new file mode 100644
index 000000000..c8e42f756
--- /dev/null
+++ b/backend/pkg/messages/get_timestamp.go
@@ -0,0 +1,65 @@
+// Auto-generated, do not edit
+package messages
+
+
+func GetTimestamp(message Message) uint64 {
+  switch msg := message.(type) {
+    
+      case *IOSBatchMeta:
+        return msg.Timestamp
+    
+      case *IOSSessionStart:
+        return msg.Timestamp
+    
+      case *IOSSessionEnd:
+        return msg.Timestamp
+    
+      case *IOSMetadata:
+        return msg.Timestamp
+    
+      case *IOSCustomEvent:
+        return msg.Timestamp
+    
+      case *IOSUserID:
+        return msg.Timestamp
+    
+      case *IOSUserAnonymousID:
+        return msg.Timestamp
+    
+      case *IOSScreenChanges:
+        return msg.Timestamp
+    
+      case *IOSCrash:
+        return msg.Timestamp
+    
+      case *IOSScreenEnter:
+        return msg.Timestamp
+    
+      case *IOSScreenLeave:
+        return msg.Timestamp
+    
+      case *IOSClickEvent:
+        return msg.Timestamp
+    
+      case *IOSInputEvent:
+        return msg.Timestamp
+    
+      case *IOSPerformanceEvent:
+        return msg.Timestamp
+    
+      case *IOSLog:
+        return msg.Timestamp
+    
+      case *IOSInternalError:
+        return msg.Timestamp
+    
+      case *IOSNetworkCall:
+        return msg.Timestamp
+    
+      case *IOSIssueEvent:
+        return msg.Timestamp
+    
+  }
+  return uint64(message.Meta().Timestamp)
+}
+
diff --git a/backend/services/ender/builder/builder.go b/backend/services/ender/builder/builder.go
index f72737894..f17116501 100644
--- a/backend/services/ender/builder/builder.go
+++ b/backend/services/ender/builder/builder.go
@@ -108,11 +108,11 @@ func (b *builder) buildInputEvent() {
 }
 
 func (b *builder) handleMessage(message Message, messageID uint64) {
-	timestamp := uint64(message.Meta().Timestamp)
-	if b.timestamp <= timestamp { // unnecessary. TODO: test and remove
+	timestamp := GetTimestamp(message)
+	if b.timestamp <= timestamp { // unnecessary? TODO: test and remove
 		b.timestamp = timestamp
 	}
-	// Before  the first timestamp.
+	// Might happen before  the first timestamp.
 	switch msg := message.(type) {
 	case *SessionStart,
 			*Metadata,