diff --git a/tests/test1.yaml b/tests/test1.yaml
index 9cd9895932..f421847ff1 100644
--- a/tests/test1.yaml
+++ b/tests/test1.yaml
@@ -503,7 +503,7 @@ sensor:
     rx_only: false
 
   - platform: ppd42x
-    id: "my ppd42"
+    id: my_office_ppd42
     type: PPD42
     pm_2_5:
       pin: GPIO32