diff --git a/src/api/telemetry/TelemetryCollection.js b/src/api/telemetry/TelemetryCollection.js
index c76a2b2c93..52fdf3250b 100644
--- a/src/api/telemetry/TelemetryCollection.js
+++ b/src/api/telemetry/TelemetryCollection.js
@@ -334,7 +334,7 @@ export class TelemetryCollection extends EventEmitter {
             this.timeKey = domain.source;
         } else {
             this._warn(ERRORS.TIMESYSTEM_KEY);
-            this.openmct.notifications.warn(TIMESYSTEM_KEY_NOTIFICATION)
+            this.openmct.notifications.warn(ERRORS.TIMESYSTEM_KEY_NOTIFICATION)
         }
         
         let metadataValue = this.metadata.value(timeSystem.key) || { format: timeSystem.key };