What does the Muslim say when he is afraid of association (Shirk)?

اللهُمَّ إِنَّا نَعُوذُ بِكَ أَنْ نُشْرِكَ بِكَ شَيْئًا نَعْلَمُهُ، وَنَسْتَغْفِرُكَ لِمَا لَا نَعْلَمُهُ

O Allah, we seek refuge in You lest we should commit Shirk with You knowingly and we seek Your forgiveness for what we don't know.