diff --git a/tests/test2.yaml b/tests/test2.yaml
index c57202b346..bfed620e41 100644
--- a/tests/test2.yaml
+++ b/tests/test2.yaml
@@ -80,7 +80,7 @@ sensor:
     battery_level:
       name: "Xiaomi MiJia Battery Level"
   - platform: ppd42x
-    type: PPD42
+    type: PPD42X
     pm_1_0:
       name: "PM 1.0 Concentration"
     pm_2_5: