diff --git a/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts b/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts
index 3b2696ba23f7c..9d51e13ee424f 100644
--- a/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts
+++ b/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts
@@ -169,7 +169,7 @@ export class KibanaTelemetryAdapter {
     this.collector[bucket].monitor_name_stats = {
       min_length: monitorNameStats?.min_length ?? 0,
       max_length: monitorNameStats?.max_length ?? 0,
-      avg_length: +monitorNameStats?.avg_length.toFixed(2),
+      avg_length: +(monitorNameStats?.avg_length.toFixed(2) ?? 0),
     };
 
     this.collector[bucket].observer_location_name_stats = {