diff --git a/plugin.go b/plugin.go
index 27f04e4..5c24769 100644
--- a/plugin.go
+++ b/plugin.go
@@ -156,6 +156,8 @@ func (p Plugin) Exec() error {
 			wg.Wait()
 			close(finished)
 		}()
+	} else {
+		close(finished)
 	}
 
 	select {