Backporting #5370

Passed Joshua correctness-6.3.19 test: 20210824-183913-zhewang-631a84e28da76d58

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Please check each of the following things and check all boxes before accepting a PR.

• The PR has a description, explaining both the problem and the solution.
• The description mentions which forms of testing were done and the testing seems reasonable.
• Every function/class/actor that was touched is reasonably well documented.

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• This change/bugfix is a cherry-pick from the next younger branch (younger release-branch or master if this is the youngest branch)
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