diff --git a/cli/app/logs.go b/cli/app/logs.go
index 771cd5821..f2f1e7890 100644
--- a/cli/app/logs.go
+++ b/cli/app/logs.go
@@ -70,6 +70,7 @@ var appLogsCommand = &cli.Command{
 
 		serviceName := c.Args().Get(1)
 		if serviceName == "" {
+			logrus.Debug("tailing logs for all app services")
 			stackLogs(c, app.StackName(), cl)
 		}
 		logrus.Debugf("tailing logs for '%s'", serviceName)