diff --git a/ostree-engine b/ostree-engine
index 6a04f0a..7751628 100755
--- a/ostree-engine
+++ b/ostree-engine
@@ -22,12 +22,14 @@ fi
 
 # Ensure gum is installed
 if ! test -x "$(command -v gum)"; then
-    echo '[charm]
-    name=Charm
-    baseurl=https://repo.charm.sh/yum/
-    enabled=1
-    gpgcheck=1
-    gpgkey=https://repo.charm.sh/yum/gpg.key' | sudo tee /etc/yum.repos.d/charm.repo
+    cat <<EOF > /etc/yum.repos.d/charm.repo
+[charm]
+name=Charm
+baseurl=https://repo.charm.sh/yum/
+enabled=1
+gpgcheck=1
+gpgkey=https://repo.charm.sh/yum/gpg.key
+EOF
     dnf install -y gum
 fi
 
@@ -104,7 +106,7 @@ fi
 
 # Compose ostree base image and push to registry
 log_struc_info "Compose ostree base image and push to registry" treefile "${TREEFILE}" registry "${REGISTRY}"
-if ! rpm-ostree compose image --cachedir "${CACHE_DIR}" -i --initialize-mode=if-not-exists --format=registry "${TREEFILE}" "${REGISTRY}/fedora-atomic/vauxite-build/vauxite:${RELVER}"; then
+if ! rpm-ostree compose image --cachedir "${CACHE_DIR}" --initialize-mode=if-not-exists --format=registry "${TREEFILE}" "${REGISTRY}/fedora-atomic/vauxite-build/vauxite:${RELVER}"; then
     log_struc_error "Error composing ostree and/or pushing to registry" status "$?"
     exit 1
 fi