diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed9e7615f7e..7abb63990ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,7 @@
 - Kubernetes Workload Scaler: ignore terminated pods ([#2384](https://github.com/kedacore/keda/pull/2384))
 - Azure EventHub Scaler: don't expose connection string in metricName ([#2404](https://github.com/kedacore/keda/pull/2404))
 - `keda-operator` Cluster Role: add `list` and `watch` access to service accounts ([#2406](https://github.com/kedacore/keda/pull/2406))|([#2410](https://github.com/kedacore/keda/pull/2410))
+- PostgreSQL Scaler: Assign PostgreSQL `userName` to correct attribute ([#2432](https://github.com/kedacore/keda/pull/2432))
 - Kafka Scaler: concurrently query brokers for consumer and producer offsets ([#2405](https://github.com/kedacore/keda/pull/2405))
 - Delete the cache entry when a ScaledObject is deleted ([#2408](https://github.com/kedacore/keda/pull/2408))
 
diff --git a/pkg/scalers/postgresql_scaler.go b/pkg/scalers/postgresql_scaler.go
index 7e8323ee098..82ecacda765 100644
--- a/pkg/scalers/postgresql_scaler.go
+++ b/pkg/scalers/postgresql_scaler.go
@@ -93,7 +93,7 @@ func parsePostgreSQLMetadata(config *ScalerConfig) (*postgreSQLMetadata, error)
 			return nil, err
 		}
 
-		meta.port, err = GetFromAuthOrMeta(config, "userName")
+		meta.userName, err = GetFromAuthOrMeta(config, "userName")
 		if err != nil {
 			return nil, err
 		}