diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 05c1832..31c7b81 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -33,6 +33,7 @@ jobs:
           retention-days: 30
       - name: Build base video mode firmware
         run: |
+          cd ./firmware/build
           rm -rf * .*
           cmake .. -G Ninja -DBASE_VIDEO_MODE -DPICO_SDK_PATH=../../pico-sdk
           ninja