diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index b68e713..32461a4 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -31,7 +31,8 @@ jobs:
         id: hash-west
         run: |
           FILE_PATH=zephyr/west.yml
-          HASH="$(sha256sum <(find . -name build.yml -o -name west.yml -type f -exec sha256sum \; | sort) | head -c 64)"
+          FILES=$(find . -name build.yml -o -name west.yml -type f -exec sha256sum \; | sort)
+          HASH="$(echo -n $FILES | sha256sum | head -c 64)"
           echo "hash=$HASH" >> "$GITHUB_OUTPUT"
           echo "computed hash: $HASH"