diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89693e3a..44cb90d1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,8 @@ jobs:
         with:
           imageName: ghcr.io/polprzewodnikowy/n64flashcartmenu-devcontainer
           cacheFrom: ghcr.io/polprzewodnikowy/n64flashcartmenu-devcontainer
-          push: always
+          push: ${{ github.repository_owner == 'Polprzewodnikowy' && 'filter' || 'never' }}
+          refFilterForPush: 'ref/heads/main'
           runCmd: |
             pushd libdragon
             ./build.sh