diff --git a/ci/build.sh b/ci/build.sh
index 807cee0..f818d33 100755
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -13,10 +13,10 @@ attic=$(nix build --inputs-from . nixpkgs#attic-client --print-out-paths --no-li
 "${attic}" login ci "${ATTIC_SERVER}" "${ATTIC_TOKEN}"
 
 echo "Building packages..."
-nix build ".#packages.${ARCH}.hello-world" --print-build-logs
-"${attic}" push "${ATTIC_CACHE}" result
+out=$(nix build ".#packages.${ARCH}.hello-world" --print-build-logs --print-out-paths --no-link)
+"${attic}" push "${ATTIC_CACHE}" ${out}
 
-nix build ".#packages.${ARCH}.xonsh" --print-build-logs
-"${attic}" push "${ATTIC_CACHE}" result
+out=$(nix build ".#packages.${ARCH}.xonsh" --print-build-logs --print-out-paths --no-link)
+"${attic}" push "${ATTIC_CACHE}" ${out}
 
 echo "✅ Build completed for ${ARCH}"