# Golden Horse - Tech: "Increased Supplies" doesn't function on building carts deployed after the tech is researched

**URL:** <https://forums.ageofempires.com/t/golden-horse-tech-increased-supplies-doesnt-function-on-building-carts-deployed-after-the-tech-is-researched/289545>\
**Category:** IV - Report a Bug\
**Created:** [September 13, 2026, 1:05am UTC](https://forums.ageofempires.com/t/golden-horse-tech-increased-supplies-doesnt-function-on-building-carts-deployed-after-the-tech-is-researched/289545 "2026-09-13T01:05:16Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![PeekingPanda3](https://forums.ageofempires.com/user_avatar/forums.ageofempires.com/peekingpanda3/32/156423_2.png) [@PeekingPanda3](https://forums.ageofempires.com/u/PeekingPanda3)\
**Post date:** [September 13, 2026, 1:05am UTC](https://forums.ageofempires.com/t/golden-horse-tech-increased-supplies-doesnt-function-on-building-carts-deployed-after-the-tech-is-researched/289545/1 "2026-09-13T01:05:16Z")

</div>

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## Build Number:
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## Platform: Steam / Microsoft Store / Xbox / PlayStation
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## Operating System: Windows 11 / Windows 10 / Windows 8 / Windows 7 / Mac / Linux

> ## Issue:

Building carts placed down after “Increased Supplies” is researched don’t benefit from the technology.

> ### Trigger Event:

(what was happening at the time of the issue. this could be an action you or another player took right before the issue started)

> ### Repro Steps:

1. Age up with building carts in Age 2. Then age up to castle age to researched the “Increased Supplies” tech from blacksmith, and set down a building cart.
2. 100% reproduction rate on PC.
3.