diff --git a/controller/appcontroller.go b/controller/appcontroller.go
index a9ae59265a..84225bd8e8 100644
--- a/controller/appcontroller.go
+++ b/controller/appcontroller.go
@@ -2345,7 +2345,7 @@ func (ctrl *ApplicationController) autoSync(app *appv1.Application, syncStatus *
 	ctrl.writeBackToInformer(updatedApp)
 	ts.AddCheckpoint("write_back_to_informer_ms")
 
-	message := fmt.Sprintf("Initiated automated sync to %s", desiredRevisions)
+	message := fmt.Sprintf("Initiated automated sync to '%s'", strings.Join(desiredRevisions, ", "))
 	ctrl.logAppEvent(context.TODO(), app, argo.EventInfo{Reason: argo.EventReasonOperationStarted, Type: corev1.EventTypeNormal}, message)
 	logCtx.Info(message)
 	return nil, setOpTime