diff --git a/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy b/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy
index d9cdcc2..62519f2 100644
--- a/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy
+++ b/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy
@@ -76,6 +76,8 @@ def parse(String description) {
     if (description?.startsWith('read attr -')) {
         handleReportAttributeMessage(description)
     }
+
+    return []
 }
 
 private handleReportAttributeMessage(String description) {