Missing Codex entry for Compiler kill

Hello, 

I just killed compiler within the hour and while I was downed after phase 1 I did deal damage to the boss and partake all the way up to Compiler. 

Is it really intended that I am not awarded a compiler codex entry for the shell I was running ? Recon. 

For proof I have the ganglion screenshotted as well as the Codex missing the recon completion.