diff --git a/pkg/services/ngalert/notifier/alertmanager.go b/pkg/services/ngalert/notifier/alertmanager.go
index dc2f63fb0ec..05e42a66b09 100644
--- a/pkg/services/ngalert/notifier/alertmanager.go
+++ b/pkg/services/ngalert/notifier/alertmanager.go
@@ -233,7 +233,7 @@ func (am *alertmanager) SaveAndApplyConfig(ctx context.Context, cfg *apimodels.P
 		}
 
 		err = am.Store.SaveAlertmanagerConfigurationWithCallback(ctx, cmd, func() error {
-			_, err = am.applyConfig(ctx, cfg, LogInvalidReceivers) // fail if the autogen config is invalid
+			_, err = am.applyConfig(ctx, cfg, ErrorOnInvalidReceivers) // fail if the autogen config is invalid
 			return err
 		})
 		if err != nil {
@@ -259,7 +259,7 @@ func (am *alertmanager) ApplyConfig(ctx context.Context, dbCfg *ngmodels.AlertCo
 		// Since we will now update last_applied when autogen changes even if the user-created config remains the same.
 		// To fix this however, the local alertmanager needs to be able to tell the difference between user-created and
 		// autogen config, which may introduce cross-cutting complexity.
-		configChanged, err := am.applyConfig(ctx, cfg, ErrorOnInvalidReceivers)
+		configChanged, err := am.applyConfig(ctx, cfg, LogInvalidReceivers)
 		if err != nil {
 			outerErr = fmt.Errorf("unable to apply configuration: %w", err)
 			return