diff --git a/scripts/admin/install-engine.sh b/scripts/admin/install-engine.sh
index dffce62413..52b7692a62 100644
--- a/scripts/admin/install-engine.sh
+++ b/scripts/admin/install-engine.sh
@@ -79,7 +79,7 @@ INSTALL_TMPDIR="$HOME/.meteor-install-tmp"
 rm -rf "$INSTALL_TMPDIR"
 mkdir "$INSTALL_TMPDIR"
 echo "Downloading Meteor distribution"
-curl --progress-bar --fail "$TARBALL_URL" | tar -xzf - -C "$INSTALL_TMPDIR"
+curl --progress-bar --fail "$TARBALL_URL" | tar -xzf - -C "$INSTALL_TMPDIR" -o
 # bomb out if it didn't work, eg no net
 test -x "${INSTALL_TMPDIR}/.meteor/meteor"
 mv "${INSTALL_TMPDIR}/.meteor" "$HOME"