# Application module \`start\` function not called?

**URL:** <https://forum.elixirforum.com/t/application-module-start-function-not-called/72945>\
**Category:** Questions\
**Tags:** mix, supervisor, application\
**Created:** [October 16, 2025, 12:38pm UTC](https://forum.elixirforum.com/t/application-module-start-function-not-called/72945 "2025-10-16T12:38:01Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![dimitarvp](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/dimitarvp/32/38664_2.png) [@dimitarvp](https://forum.elixirforum.com/u/dimitarvp)\
**Post date:** [October 17, 2025, 10:48am UTC](https://forum.elixirforum.com/t/application-module-start-function-not-called/72945/13 "2025-10-17T10:48:54Z")

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Let us know when you dig the problem out. Should be something trivial that the tooling does not yell at you for but must be this or that, I presume.

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