# The diamond executable can not be found

**URL:** <https://forum.biobakery.org/t/the-diamond-executable-can-not-be-found/1631>\
**Category:** HUMAnN\
**Created:** [January 30, 2021, 3:13pm UTC](https://forum.biobakery.org/t/the-diamond-executable-can-not-be-found/1631 "2021-01-30T15:13:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![JAkorli](https://avatars.discourse-cdn.com/v4/letter/j/bb73d2/32.png) [@JAkorli](https://forum.biobakery.org/u/JAkorli)\
**Post date:** [January 30, 2021, 3:13pm UTC](https://forum.biobakery.org/t/the-diamond-executable-can-not-be-found/1631/1 "2021-01-30T15:13:39Z")

</div>

Hello,  
I have followed all the instruction on installing Humann2 using:

pip install humann2 --install-option=’–build-diamond’.

However, when I try the demo run, I get the following message:  
“The diamond executable can not be found. Please check the install.”

How can I resolve this?