diff --git a/gnomeos/yocto/commit-yocto-build.sh b/gnomeos/yocto/commit-yocto-build.sh
index 5387ccbc..2778847f 100755
--- a/gnomeos/yocto/commit-yocto-build.sh
+++ b/gnomeos/yocto/commit-yocto-build.sh
@@ -37,4 +37,4 @@ BUILD_TAR=$BUILDDIR/deploy/images/gnomeos-contents-$BRANCH-qemu${ARCH}.tar.gz
 
 BUILD_TIME=$(date -r $BUILD_TAR)
 
-ostree --repo=${OSTREE_REPO} commit -s "Build from OSTree ${OSTREE_VER}" -b "gnomeos-yocto-$ARCH-$BRANCH" --tar ${BUILD_TAR}
+ostree --repo=${OSTREE_REPO} commit -s "Build from OSTree ${OSTREE_VER}" -b "gnomeos-yocto-$ARCH-$BRANCH" --tree=tar=${BUILD_TAR}