diff --git a/pkg/scaling/scale_handler.go b/pkg/scaling/scale_handler.go
index c8a46558d01..9d8271131aa 100644
--- a/pkg/scaling/scale_handler.go
+++ b/pkg/scaling/scale_handler.go
@@ -340,7 +340,11 @@ func (h *scaleHandler) buildScalers(withTriggers *kedav1alpha1.WithTriggers, pod
 			authParams["awsRoleArn"] = serviceAccount.Annotations[kedav1alpha1.PodIdentityAnnotationEKS]
 		} else if podIdentity == kedav1alpha1.PodIdentityProviderAwsKiam {
 			authParams["awsRoleArn"] = podTemplateSpec.ObjectMeta.Annotations[kedav1alpha1.PodIdentityAnnotationKiam]
+		} else {
+			authParams, _ := resolver.ResolveAuthRef(h.client, logger, trigger.AuthenticationRef, nil, withTriggers.Namespace)
+			config.AuthParams = authParams
 		}
+
 		config := &scalers.ScalerConfig{
 			Name:              withTriggers.Name,
 			Namespace:         withTriggers.Namespace,