diff --git a/homeassistant/components/vallox/services.yaml b/homeassistant/components/vallox/services.yaml
index 6ff0cf44cb566b..d690e738627ecc 100644
--- a/homeassistant/components/vallox/services.yaml
+++ b/homeassistant/components/vallox/services.yaml
@@ -46,4 +46,4 @@ set_profile:
         number:
           min: 1
           max: 65535
-          unit_of_measurement: "min"
+          unit_of_measurement: "minutes"