diff --git a/cli/config/config_test.go b/cli/config/config_test.go
index 45f2a66a69..ceb96f4d51 100644
--- a/cli/config/config_test.go
+++ b/cli/config/config_test.go
@@ -352,6 +352,7 @@ func TestLoadDefaultConfigFile(t *testing.T) {
 	expected.PsFormat = "format"
 
 	assert.Check(t, is.DeepEqual(expected, configFile))
+	assert.Check(t, is.Equal(buffer.String(), ""))
 }
 
 func TestConfigPath(t *testing.T) {