Fix build packet when we cannot write the channel_id

[cBournhonesque]

Fixes #455

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.31%. Comparing base (452a02a) to head (fb2c6c8).

❗ Current head fb2c6c8 differs from pull request most recent head 212b8d6

Please upload reports for the commit 212b8d6 to get more accurate results.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #458      +/-   ##
==========================================
- Coverage   70.39%   70.31%   -0.09%     
==========================================
  Files         137      137              
  Lines        9599     9603       +4     
==========================================
- Hits         6757     6752       -5     
- Misses       2842     2851       +9     

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