diff --git a/internals/cli/cmd_add_test.go b/internals/cli/cmd_add_test.go
index 83db69da..a9990c58 100644
--- a/internals/cli/cmd_add_test.go
+++ b/internals/cli/cmd_add_test.go
@@ -109,5 +109,6 @@ services:
 		args = append(args, "extra", "arguments", "invalid")
 		_, err = cli.ParserForTest().ParseArgs(args)
 		c.Assert(err, check.Equals, cli.ErrExtraArgs)
+		s.ResetStdStreams()
 	}
 }