diff --git a/tests/test1.yaml b/tests/test1.yaml
index 2822561260..9cd9895932 100644
--- a/tests/test1.yaml
+++ b/tests/test1.yaml
@@ -503,6 +503,7 @@ sensor:
     rx_only: false
 
   - platform: ppd42x
+    id: "my ppd42"
     type: PPD42
     pm_2_5:
       pin: GPIO32