diff --git a/ssn/rdf/examples/dht22.ttl b/ssn/rdf/examples/dht22.ttl
index 9a67882f..6da9f0a4 100644
--- a/ssn/rdf/examples/dht22.ttl
+++ b/ssn/rdf/examples/dht22.ttl
@@ -100,7 +100,7 @@
 <observation/1087> rdf:type sosa:Observation ;
   sosa:madeBySensor <DHT22/4578#TemperatureSensor> ;
   sosa:usedProcedure <DHT22#Procedure> ;
-  ssn-system:qualityOfObservation <observation/1087#quality> ;
+  sosa:resultQuality <observation/1087#quality> ;
 
 
 # one may classify the quality of observation using some class: