diff --git a/device-types/Ubiquiti/USW-Aggregation.yaml b/device-types/Ubiquiti/USW-Aggregation.yaml
index df39b850..85419531 100644
--- a/device-types/Ubiquiti/USW-Aggregation.yaml
+++ b/device-types/Ubiquiti/USW-Aggregation.yaml
@@ -12,6 +12,7 @@ comments: |
 u_height: 1
 weight: 2.7
 weight_unit: kg
+airflow: passive
 front_image: true
 is_full_depth: false
 interfaces: