# Extension messing with existing code

**URL:** <https://forum.makecode.com/t/extension-messing-with-existing-code/43260>\
**Category:** Help\
**Created:** [April 12, 2026, 2:54am UTC](https://forum.makecode.com/t/extension-messing-with-existing-code/43260 "2026-04-12T02:54:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BUM](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/bum/32/22127_2.png) [@BUM](https://forum.makecode.com/u/BUM)\
**Post date:** [April 12, 2026, 2:54am UTC](https://forum.makecode.com/t/extension-messing-with-existing-code/43260/1 "2026-04-12T02:54:42Z")

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I added the better array’s extension but it just makes my sprite a pink squiggle.

> **[Free will.2](https://arcade.makecode.com/S71746-63365-40902-05340)**
>
> Made with ❤️ in Microsoft MakeCode Arcade.

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 ![image_2026-04-10_234028094](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/3X/7/c/7ca0bb31b00ca9ff53e60ba3b0a6562292dae888.png)]

How do I fix this?

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<div class="post-metadata">

**Author:** ![Not-a-creepy-doll](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/not-a-creepy-doll/32/28255_2.png) [@Not-a-creepy-doll](https://forum.makecode.com/u/Not-a-creepy-doll)\
**Post date:** [April 13, 2026, 6:18pm UTC](https://forum.makecode.com/t/extension-messing-with-existing-code/43260/2 "2026-04-13T18:18:35Z")

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Just give the sprite a proper name and it’ll fix itself. The little squiggle is like a placeholder for any unnamed/default named sprites