# Fmod DLL error in Steam builds **URL:** \ **Category:** FMOD Studio\ **Created:** [May 20, 2022, 11:32am UTC](https://qa.fmod.com/t/fmod-dll-error-in-steam-builds/18782 "2022-05-20T11:32:38Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![sronc002](https://avatars.discourse-cdn.com/v4/letter/s/13edae/32.png) [@sronc002](https://qa.fmod.com/u/sronc002)\ **Post date:** [May 20, 2022, 11:32am UTC](https://qa.fmod.com/t/fmod-dll-error-in-steam-builds/18782/1 "2022-05-20T11:32:39Z")
![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/5/50715dc39ec8ca110c089d729a1052a3a757191e.png) Getting this missing FMOD dll error in our steam builds. Specifically when we build in non-development mode in Unity. Any ideas why? Does the FMOD dll need to be set to include for non-dev builds? Unity version: 2021.2.15f1 Fmod version: 2.02.04 ---
**Author:** ![jeff\_fmod](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/jeff_fmod/32/1766_2.png) [@jeff\_fmod](https://qa.fmod.com/u/jeff_fmod)\ **Post date:** [May 23, 2022, 11:55pm UTC](https://qa.fmod.com/t/fmod-dll-error-in-steam-builds/18782/2 "2022-05-23T23:55:24Z")
Is the dll present in your built game’s “ **{ProjectName}\_Data\Plugins\x86\_64** ” directory? If it is, does it have a reasonable size (~3000kb)? If it isn’t present, can you please check the import settings for fmodstudio.dll inside Unity, and make sure it is set to be included on Standalone Windows x64? e.g ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/b/baf4a83838654ce23ad5dd5bd3a274f3102bb34c.png) ---
**Author:** ![sronc002](https://avatars.discourse-cdn.com/v4/letter/s/13edae/32.png) [@sronc002](https://qa.fmod.com/u/sronc002)\ **Post date:** [May 24, 2022, 9:52am UTC](https://qa.fmod.com/t/fmod-dll-error-in-steam-builds/18782/3 "2022-05-24T09:52:22Z")
thanks, will check this!