diff --git a/plugin_test.go b/plugin_test.go
index c6c9aa6..6a89d7d 100644
--- a/plugin_test.go
+++ b/plugin_test.go
@@ -416,5 +416,5 @@ func TestProxySendMessage(t *testing.T) {
 	}
 
 	err := plugin.Exec()
-	assert.NotNil(t, err)
+	assert.Nil(t, err)
 }